Home / 11,217.36-15,479.72-6,502.48

Finding the Fourth Proportional to 11,217.36, 15,479.72 and 6,502.48

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Solution

The fourth proportional to 11,217.36, 15,479.72 and 6,502.48 is: 8,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.36 : 15,479.72 = 6,502.48 : x
  2. Step 2: Convert to fraction form
    11,217.36/15,479.72 = 6,502.48/x
  3. Step 3: Cross multiply
    11,217.36x = 15,479.72 × 6,502.48
  4. Step 4: Simplify right side
    11,217.36x = 100,656,569.71
  5. Step 5: Solve for x
    x = 100,656,569.71/11,217.36
  6. Step 6: Final answer
    x = 8,973.29

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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.