Home / 9,911.46-14,885.67-8,725.92

Finding the Fourth Proportional to 9,911.46, 14,885.67 and 8,725.92

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Solution

The fourth proportional to 9,911.46, 14,885.67 and 8,725.92 is: 13,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.46 : 14,885.67 = 8,725.92 : x
  2. Step 2: Convert to fraction form
    9,911.46/14,885.67 = 8,725.92/x
  3. Step 3: Cross multiply
    9,911.46x = 14,885.67 × 8,725.92
  4. Step 4: Simplify right side
    9,911.46x = 129,891,165.57
  5. Step 5: Solve for x
    x = 129,891,165.57/9,911.46
  6. Step 6: Final answer
    x = 13,105.15

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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.