Home / 10,095.40-15,131.22-4,542.22

Finding the Fourth Proportional to 10,095.40, 15,131.22 and 4,542.22

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Solution

The fourth proportional to 10,095.40, 15,131.22 and 4,542.22 is: 6,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.40 : 15,131.22 = 4,542.22 : x
  2. Step 2: Convert to fraction form
    10,095.40/15,131.22 = 4,542.22/x
  3. Step 3: Cross multiply
    10,095.40x = 15,131.22 × 4,542.22
  4. Step 4: Simplify right side
    10,095.40x = 68,729,330.11
  5. Step 5: Solve for x
    x = 68,729,330.11/10,095.40
  6. Step 6: Final answer
    x = 6,807.98

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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.