Home / 12,248.44-16,898.69-8,470.19

Finding the Fourth Proportional to 12,248.44, 16,898.69 and 8,470.19

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Solution

The fourth proportional to 12,248.44, 16,898.69 and 8,470.19 is: 11,685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.44 : 16,898.69 = 8,470.19 : x
  2. Step 2: Convert to fraction form
    12,248.44/16,898.69 = 8,470.19/x
  3. Step 3: Cross multiply
    12,248.44x = 16,898.69 × 8,470.19
  4. Step 4: Simplify right side
    12,248.44x = 143,135,178.47
  5. Step 5: Solve for x
    x = 143,135,178.47/12,248.44
  6. Step 6: Final answer
    x = 11,685.99

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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.