Home / 10,666.62-14,720.06-5,886.81

Finding the Fourth Proportional to 10,666.62, 14,720.06 and 5,886.81

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Solution

The fourth proportional to 10,666.62, 14,720.06 and 5,886.81 is: 8,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.62 : 14,720.06 = 5,886.81 : x
  2. Step 2: Convert to fraction form
    10,666.62/14,720.06 = 5,886.81/x
  3. Step 3: Cross multiply
    10,666.62x = 14,720.06 × 5,886.81
  4. Step 4: Simplify right side
    10,666.62x = 86,654,211.13
  5. Step 5: Solve for x
    x = 86,654,211.13/10,666.62
  6. Step 6: Final answer
    x = 8,123.87

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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.