Home / 12,269.62-16,931.19-7,553.98

Finding the Fourth Proportional to 12,269.62, 16,931.19 and 7,553.98

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Solution

The fourth proportional to 12,269.62, 16,931.19 and 7,553.98 is: 10,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.62 : 16,931.19 = 7,553.98 : x
  2. Step 2: Convert to fraction form
    12,269.62/16,931.19 = 7,553.98/x
  3. Step 3: Cross multiply
    12,269.62x = 16,931.19 × 7,553.98
  4. Step 4: Simplify right side
    12,269.62x = 127,897,870.64
  5. Step 5: Solve for x
    x = 127,897,870.64/12,269.62
  6. Step 6: Final answer
    x = 10,423.95

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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.