Home / 11,331.30-15,637.73-6,295.53

Finding the Fourth Proportional to 11,331.30, 15,637.73 and 6,295.53

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Solution

The fourth proportional to 11,331.30, 15,637.73 and 6,295.53 is: 8,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.30 : 15,637.73 = 6,295.53 : x
  2. Step 2: Convert to fraction form
    11,331.30/15,637.73 = 6,295.53/x
  3. Step 3: Cross multiply
    11,331.30x = 15,637.73 × 6,295.53
  4. Step 4: Simplify right side
    11,331.30x = 98,447,766.87
  5. Step 5: Solve for x
    x = 98,447,766.87/11,331.30
  6. Step 6: Final answer
    x = 8,688.13

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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.