Home / 11,254.28-15,530.76-6,218.52

Finding the Fourth Proportional to 11,254.28, 15,530.76 and 6,218.52

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Solution

The fourth proportional to 11,254.28, 15,530.76 and 6,218.52 is: 8,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.28 : 15,530.76 = 6,218.52 : x
  2. Step 2: Convert to fraction form
    11,254.28/15,530.76 = 6,218.52/x
  3. Step 3: Cross multiply
    11,254.28x = 15,530.76 × 6,218.52
  4. Step 4: Simplify right side
    11,254.28x = 96,578,341.68
  5. Step 5: Solve for x
    x = 96,578,341.68/11,254.28
  6. Step 6: Final answer
    x = 8,581.48

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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.