Home / 10,951.43-15,095.23-8,557.22

Finding the Fourth Proportional to 10,951.43, 15,095.23 and 8,557.22

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Solution

The fourth proportional to 10,951.43, 15,095.23 and 8,557.22 is: 11,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.43 : 15,095.23 = 8,557.22 : x
  2. Step 2: Convert to fraction form
    10,951.43/15,095.23 = 8,557.22/x
  3. Step 3: Cross multiply
    10,951.43x = 15,095.23 × 8,557.22
  4. Step 4: Simplify right side
    10,951.43x = 129,173,220.41
  5. Step 5: Solve for x
    x = 129,173,220.41/10,951.43
  6. Step 6: Final answer
    x = 11,795.10

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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.