Home / 10,959.68-15,127.20-6,712.16

Finding the Fourth Proportional to 10,959.68, 15,127.20 and 6,712.16

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Solution

The fourth proportional to 10,959.68, 15,127.20 and 6,712.16 is: 9,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.68 : 15,127.20 = 6,712.16 : x
  2. Step 2: Convert to fraction form
    10,959.68/15,127.20 = 6,712.16/x
  3. Step 3: Cross multiply
    10,959.68x = 15,127.20 × 6,712.16
  4. Step 4: Simplify right side
    10,959.68x = 101,536,186.75
  5. Step 5: Solve for x
    x = 101,536,186.75/10,959.68
  6. Step 6: Final answer
    x = 9,264.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.