Home / 11,479.24-15,837.30-7,502.66

Finding the Fourth Proportional to 11,479.24, 15,837.30 and 7,502.66

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Solution

The fourth proportional to 11,479.24, 15,837.30 and 7,502.66 is: 10,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.24 : 15,837.30 = 7,502.66 : x
  2. Step 2: Convert to fraction form
    11,479.24/15,837.30 = 7,502.66/x
  3. Step 3: Cross multiply
    11,479.24x = 15,837.30 × 7,502.66
  4. Step 4: Simplify right side
    11,479.24x = 118,821,903.13
  5. Step 5: Solve for x
    x = 118,821,903.13/11,479.24
  6. Step 6: Final answer
    x = 10,351.02

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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.