Home / 10,085.10-13,915.38-5,892.54

Finding the Fourth Proportional to 10,085.10, 13,915.38 and 5,892.54

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Solution

The fourth proportional to 10,085.10, 13,915.38 and 5,892.54 is: 8,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.10 : 13,915.38 = 5,892.54 : x
  2. Step 2: Convert to fraction form
    10,085.10/13,915.38 = 5,892.54/x
  3. Step 3: Cross multiply
    10,085.10x = 13,915.38 × 5,892.54
  4. Step 4: Simplify right side
    10,085.10x = 81,996,933.27
  5. Step 5: Solve for x
    x = 81,996,933.27/10,085.10
  6. Step 6: Final answer
    x = 8,130.50

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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.