Home / 10,083.26-13,915.14-5,607.20

Finding the Fourth Proportional to 10,083.26, 13,915.14 and 5,607.20

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Solution

The fourth proportional to 10,083.26, 13,915.14 and 5,607.20 is: 7,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.26 : 13,915.14 = 5,607.20 : x
  2. Step 2: Convert to fraction form
    10,083.26/13,915.14 = 5,607.20/x
  3. Step 3: Cross multiply
    10,083.26x = 13,915.14 × 5,607.20
  4. Step 4: Simplify right side
    10,083.26x = 78,024,973.01
  5. Step 5: Solve for x
    x = 78,024,973.01/10,083.26
  6. Step 6: Final answer
    x = 7,738.07

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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.