Home / 11,553.55-15,943.89-6,248.32

Finding the Fourth Proportional to 11,553.55, 15,943.89 and 6,248.32

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Solution

The fourth proportional to 11,553.55, 15,943.89 and 6,248.32 is: 8,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.55 : 15,943.89 = 6,248.32 : x
  2. Step 2: Convert to fraction form
    11,553.55/15,943.89 = 6,248.32/x
  3. Step 3: Cross multiply
    11,553.55x = 15,943.89 × 6,248.32
  4. Step 4: Simplify right side
    11,553.55x = 99,622,526.76
  5. Step 5: Solve for x
    x = 99,622,526.76/11,553.55
  6. Step 6: Final answer
    x = 8,622.68

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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.