Home / 10,040.66-15,070.31-7,232.39

Finding the Fourth Proportional to 10,040.66, 15,070.31 and 7,232.39

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Solution

The fourth proportional to 10,040.66, 15,070.31 and 7,232.39 is: 10,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.66 : 15,070.31 = 7,232.39 : x
  2. Step 2: Convert to fraction form
    10,040.66/15,070.31 = 7,232.39/x
  3. Step 3: Cross multiply
    10,040.66x = 15,070.31 × 7,232.39
  4. Step 4: Simplify right side
    10,040.66x = 108,994,397.02
  5. Step 5: Solve for x
    x = 108,994,397.02/10,040.66
  6. Step 6: Final answer
    x = 10,855.30

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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.