Home / 11,331.18-15,637.50-6,295.38

Finding the Fourth Proportional to 11,331.18, 15,637.50 and 6,295.38

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Solution

The fourth proportional to 11,331.18, 15,637.50 and 6,295.38 is: 8,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.18 : 15,637.50 = 6,295.38 : x
  2. Step 2: Convert to fraction form
    11,331.18/15,637.50 = 6,295.38/x
  3. Step 3: Cross multiply
    11,331.18x = 15,637.50 × 6,295.38
  4. Step 4: Simplify right side
    11,331.18x = 98,444,004.75
  5. Step 5: Solve for x
    x = 98,444,004.75/11,331.18
  6. Step 6: Final answer
    x = 8,687.89

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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.