Home / 28,456.56-42,681.09-8,733.46

Finding the Fourth Proportional to 28,456.56, 42,681.09 and 8,733.46

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Solution

The fourth proportional to 28,456.56, 42,681.09 and 8,733.46 is: 13,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,456.56 : 42,681.09 = 8,733.46 : x
  2. Step 2: Convert to fraction form
    28,456.56/42,681.09 = 8,733.46/x
  3. Step 3: Cross multiply
    28,456.56x = 42,681.09 × 8,733.46
  4. Step 4: Simplify right side
    28,456.56x = 372,753,592.27
  5. Step 5: Solve for x
    x = 372,753,592.27/28,456.56
  6. Step 6: Final answer
    x = 13,099.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.