Home / 10,687.12-16,016.08-6,009.40

Finding the Fourth Proportional to 10,687.12, 16,016.08 and 6,009.40

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Solution

The fourth proportional to 10,687.12, 16,016.08 and 6,009.40 is: 9,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.12 : 16,016.08 = 6,009.40 : x
  2. Step 2: Convert to fraction form
    10,687.12/16,016.08 = 6,009.40/x
  3. Step 3: Cross multiply
    10,687.12x = 16,016.08 × 6,009.40
  4. Step 4: Simplify right side
    10,687.12x = 96,247,031.15
  5. Step 5: Solve for x
    x = 96,247,031.15/10,687.12
  6. Step 6: Final answer
    x = 9,005.89

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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.