Home / 10,029.48-15,040.42-7,247.74

Finding the Fourth Proportional to 10,029.48, 15,040.42 and 7,247.74

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Solution

The fourth proportional to 10,029.48, 15,040.42 and 7,247.74 is: 10,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.48 : 15,040.42 = 7,247.74 : x
  2. Step 2: Convert to fraction form
    10,029.48/15,040.42 = 7,247.74/x
  3. Step 3: Cross multiply
    10,029.48x = 15,040.42 × 7,247.74
  4. Step 4: Simplify right side
    10,029.48x = 109,009,053.65
  5. Step 5: Solve for x
    x = 109,009,053.65/10,029.48
  6. Step 6: Final answer
    x = 10,868.86

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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.