Home / 9,997.48-15,005.41-5,070.66

Finding the Fourth Proportional to 9,997.48, 15,005.41 and 5,070.66

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Solution

The fourth proportional to 9,997.48, 15,005.41 and 5,070.66 is: 7,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.48 : 15,005.41 = 5,070.66 : x
  2. Step 2: Convert to fraction form
    9,997.48/15,005.41 = 5,070.66/x
  3. Step 3: Cross multiply
    9,997.48x = 15,005.41 × 5,070.66
  4. Step 4: Simplify right side
    9,997.48x = 76,087,332.27
  5. Step 5: Solve for x
    x = 76,087,332.27/9,997.48
  6. Step 6: Final answer
    x = 7,610.65

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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.