Home / 9,841.51-13,575.37-7,185.67

Finding the Fourth Proportional to 9,841.51, 13,575.37 and 7,185.67

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Solution

The fourth proportional to 9,841.51, 13,575.37 and 7,185.67 is: 9,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841.51 : 13,575.37 = 7,185.67 : x
  2. Step 2: Convert to fraction form
    9,841.51/13,575.37 = 7,185.67/x
  3. Step 3: Cross multiply
    9,841.51x = 13,575.37 × 7,185.67
  4. Step 4: Simplify right side
    9,841.51x = 97,548,128.95
  5. Step 5: Solve for x
    x = 97,548,128.95/9,841.51
  6. Step 6: Final answer
    x = 9,911.91

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Half scale
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Double scale
Find fourth proportional to 9,842.51, 13,576.75 and 7,186.67
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.