Home / 10,553.76-14,545.44-9,372.96

Finding the Fourth Proportional to 10,553.76, 14,545.44 and 9,372.96

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Solution

The fourth proportional to 10,553.76, 14,545.44 and 9,372.96 is: 12,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.76 : 14,545.44 = 9,372.96 : x
  2. Step 2: Convert to fraction form
    10,553.76/14,545.44 = 9,372.96/x
  3. Step 3: Cross multiply
    10,553.76x = 14,545.44 × 9,372.96
  4. Step 4: Simplify right side
    10,553.76x = 136,333,827.30
  5. Step 5: Solve for x
    x = 136,333,827.30/10,553.76
  6. Step 6: Final answer
    x = 12,918.03

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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.