Home / 9,647.64-13,316.73-5,615.67

Finding the Fourth Proportional to 9,647.64, 13,316.73 and 5,615.67

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Solution

The fourth proportional to 9,647.64, 13,316.73 and 5,615.67 is: 7,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,647.64 : 13,316.73 = 5,615.67 : x
  2. Step 2: Convert to fraction form
    9,647.64/13,316.73 = 5,615.67/x
  3. Step 3: Cross multiply
    9,647.64x = 13,316.73 × 5,615.67
  4. Step 4: Simplify right side
    9,647.64x = 74,782,361.16
  5. Step 5: Solve for x
    x = 74,782,361.16/9,647.64
  6. Step 6: Final answer
    x = 7,751.36

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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.