Home / 11,726.34-16,178.13-7,248.66

Finding the Fourth Proportional to 11,726.34, 16,178.13 and 7,248.66

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Solution

The fourth proportional to 11,726.34, 16,178.13 and 7,248.66 is: 10,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.34 : 16,178.13 = 7,248.66 : x
  2. Step 2: Convert to fraction form
    11,726.34/16,178.13 = 7,248.66/x
  3. Step 3: Cross multiply
    11,726.34x = 16,178.13 × 7,248.66
  4. Step 4: Simplify right side
    11,726.34x = 117,269,763.81
  5. Step 5: Solve for x
    x = 117,269,763.81/11,726.34
  6. Step 6: Final answer
    x = 10,000.54

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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.