Home / 11,275.28-15,549.96-7,498.64

Finding the Fourth Proportional to 11,275.28, 15,549.96 and 7,498.64

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Solution

The fourth proportional to 11,275.28, 15,549.96 and 7,498.64 is: 10,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.28 : 15,549.96 = 7,498.64 : x
  2. Step 2: Convert to fraction form
    11,275.28/15,549.96 = 7,498.64/x
  3. Step 3: Cross multiply
    11,275.28x = 15,549.96 × 7,498.64
  4. Step 4: Simplify right side
    11,275.28x = 116,603,552.05
  5. Step 5: Solve for x
    x = 116,603,552.05/11,275.28
  6. Step 6: Final answer
    x = 10,341.52

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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.