Home / 7,421.40-11,132.13-6,028.12

Finding the Fourth Proportional to 7,421.40, 11,132.13 and 6,028.12

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Solution

The fourth proportional to 7,421.40, 11,132.13 and 6,028.12 is: 9,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.40 : 11,132.13 = 6,028.12 : x
  2. Step 2: Convert to fraction form
    7,421.40/11,132.13 = 6,028.12/x
  3. Step 3: Cross multiply
    7,421.40x = 11,132.13 × 6,028.12
  4. Step 4: Simplify right side
    7,421.40x = 67,105,815.50
  5. Step 5: Solve for x
    x = 67,105,815.50/7,421.40
  6. Step 6: Final answer
    x = 9,042.20

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Half scale
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Double scale
Find fourth proportional to 7,422.40, 11,133.63 and 6,029.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.