Home / 10,886.28-15,024.31-7,356.71

Finding the Fourth Proportional to 10,886.28, 15,024.31 and 7,356.71

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Solution

The fourth proportional to 10,886.28, 15,024.31 and 7,356.71 is: 10,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.28 : 15,024.31 = 7,356.71 : x
  2. Step 2: Convert to fraction form
    10,886.28/15,024.31 = 7,356.71/x
  3. Step 3: Cross multiply
    10,886.28x = 15,024.31 × 7,356.71
  4. Step 4: Simplify right side
    10,886.28x = 110,529,491.62
  5. Step 5: Solve for x
    x = 110,529,491.62/10,886.28
  6. Step 6: Final answer
    x = 10,153.10

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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.