Home / 12,046.50-16,605.95-10,358.87

Finding the Fourth Proportional to 12,046.50, 16,605.95 and 10,358.87

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Solution

The fourth proportional to 12,046.50, 16,605.95 and 10,358.87 is: 14,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.50 : 16,605.95 = 10,358.87 : x
  2. Step 2: Convert to fraction form
    12,046.50/16,605.95 = 10,358.87/x
  3. Step 3: Cross multiply
    12,046.50x = 16,605.95 × 10,358.87
  4. Step 4: Simplify right side
    12,046.50x = 172,018,742.45
  5. Step 5: Solve for x
    x = 172,018,742.45/12,046.50
  6. Step 6: Final answer
    x = 14,279.56

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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.