Home / 10,987.04-16,475.63-6,546.79

Finding the Fourth Proportional to 10,987.04, 16,475.63 and 6,546.79

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Solution

The fourth proportional to 10,987.04, 16,475.63 and 6,546.79 is: 9,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.04 : 16,475.63 = 6,546.79 : x
  2. Step 2: Convert to fraction form
    10,987.04/16,475.63 = 6,546.79/x
  3. Step 3: Cross multiply
    10,987.04x = 16,475.63 × 6,546.79
  4. Step 4: Simplify right side
    10,987.04x = 107,862,489.73
  5. Step 5: Solve for x
    x = 107,862,489.73/10,987.04
  6. Step 6: Final answer
    x = 9,817.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.