Home / 10,262.13-14,164.40-6,686.89

Finding the Fourth Proportional to 10,262.13, 14,164.40 and 6,686.89

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Solution

The fourth proportional to 10,262.13, 14,164.40 and 6,686.89 is: 9,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262.13 : 14,164.40 = 6,686.89 : x
  2. Step 2: Convert to fraction form
    10,262.13/14,164.40 = 6,686.89/x
  3. Step 3: Cross multiply
    10,262.13x = 14,164.40 × 6,686.89
  4. Step 4: Simplify right side
    10,262.13x = 94,715,766.02
  5. Step 5: Solve for x
    x = 94,715,766.02/10,262.13
  6. Step 6: Final answer
    x = 9,229.64

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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.