Home / 11,031.06-15,229.15-7,265.17

Finding the Fourth Proportional to 11,031.06, 15,229.15 and 7,265.17

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Solution

The fourth proportional to 11,031.06, 15,229.15 and 7,265.17 is: 10,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.06 : 15,229.15 = 7,265.17 : x
  2. Step 2: Convert to fraction form
    11,031.06/15,229.15 = 7,265.17/x
  3. Step 3: Cross multiply
    11,031.06x = 15,229.15 × 7,265.17
  4. Step 4: Simplify right side
    11,031.06x = 110,642,307.47
  5. Step 5: Solve for x
    x = 110,642,307.47/11,031.06
  6. Step 6: Final answer
    x = 10,030.07

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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.