Home / 11,331.62-15,637.65-6,295.71

Finding the Fourth Proportional to 11,331.62, 15,637.65 and 6,295.71

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Solution

The fourth proportional to 11,331.62, 15,637.65 and 6,295.71 is: 8,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.62 : 15,637.65 = 6,295.71 : x
  2. Step 2: Convert to fraction form
    11,331.62/15,637.65 = 6,295.71/x
  3. Step 3: Cross multiply
    11,331.62x = 15,637.65 × 6,295.71
  4. Step 4: Simplify right side
    11,331.62x = 98,450,109.48
  5. Step 5: Solve for x
    x = 98,450,109.48/11,331.62
  6. Step 6: Final answer
    x = 8,688.09

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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.