Home / 11,273.28-15,547.20-7,496.64

Finding the Fourth Proportional to 11,273.28, 15,547.20 and 7,496.64

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Solution

The fourth proportional to 11,273.28, 15,547.20 and 7,496.64 is: 10,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.28 : 15,547.20 = 7,496.64 : x
  2. Step 2: Convert to fraction form
    11,273.28/15,547.20 = 7,496.64/x
  3. Step 3: Cross multiply
    11,273.28x = 15,547.20 × 7,496.64
  4. Step 4: Simplify right side
    11,273.28x = 116,551,761.41
  5. Step 5: Solve for x
    x = 116,551,761.41/11,273.28
  6. Step 6: Final answer
    x = 10,338.76

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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.