Home / 10,558.98-15,838.41-8,575.18

Finding the Fourth Proportional to 10,558.98, 15,838.41 and 8,575.18

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Solution

The fourth proportional to 10,558.98, 15,838.41 and 8,575.18 is: 12,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.98 : 15,838.41 = 8,575.18 : x
  2. Step 2: Convert to fraction form
    10,558.98/15,838.41 = 8,575.18/x
  3. Step 3: Cross multiply
    10,558.98x = 15,838.41 × 8,575.18
  4. Step 4: Simplify right side
    10,558.98x = 135,817,130.13
  5. Step 5: Solve for x
    x = 135,817,130.13/10,558.98
  6. Step 6: Final answer
    x = 12,862.71

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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.