Home / 8,356.28-11,531.32-4,997.10

Finding the Fourth Proportional to 8,356.28, 11,531.32 and 4,997.10

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Solution

The fourth proportional to 8,356.28, 11,531.32 and 4,997.10 is: 6,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.28 : 11,531.32 = 4,997.10 : x
  2. Step 2: Convert to fraction form
    8,356.28/11,531.32 = 4,997.10/x
  3. Step 3: Cross multiply
    8,356.28x = 11,531.32 × 4,997.10
  4. Step 4: Simplify right side
    8,356.28x = 57,623,159.17
  5. Step 5: Solve for x
    x = 57,623,159.17/8,356.28
  6. Step 6: Final answer
    x = 6,895.79

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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.