Home / 10,080.55-15,127.04-6,377.68

Finding the Fourth Proportional to 10,080.55, 15,127.04 and 6,377.68

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Solution

The fourth proportional to 10,080.55, 15,127.04 and 6,377.68 is: 9,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.55 : 15,127.04 = 6,377.68 : x
  2. Step 2: Convert to fraction form
    10,080.55/15,127.04 = 6,377.68/x
  3. Step 3: Cross multiply
    10,080.55x = 15,127.04 × 6,377.68
  4. Step 4: Simplify right side
    10,080.55x = 96,475,420.47
  5. Step 5: Solve for x
    x = 96,475,420.47/10,080.55
  6. Step 6: Final answer
    x = 9,570.45

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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.