Home / 10,642.08-15,960.14-6,365.02

Finding the Fourth Proportional to 10,642.08, 15,960.14 and 6,365.02

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Solution

The fourth proportional to 10,642.08, 15,960.14 and 6,365.02 is: 9,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.08 : 15,960.14 = 6,365.02 : x
  2. Step 2: Convert to fraction form
    10,642.08/15,960.14 = 6,365.02/x
  3. Step 3: Cross multiply
    10,642.08x = 15,960.14 × 6,365.02
  4. Step 4: Simplify right side
    10,642.08x = 101,586,610.30
  5. Step 5: Solve for x
    x = 101,586,610.30/10,642.08
  6. Step 6: Final answer
    x = 9,545.75

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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.