Home / 11,292.16-15,587.76-8,307.04

Finding the Fourth Proportional to 11,292.16, 15,587.76 and 8,307.04

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Solution

The fourth proportional to 11,292.16, 15,587.76 and 8,307.04 is: 11,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.16 : 15,587.76 = 8,307.04 : x
  2. Step 2: Convert to fraction form
    11,292.16/15,587.76 = 8,307.04/x
  3. Step 3: Cross multiply
    11,292.16x = 15,587.76 × 8,307.04
  4. Step 4: Simplify right side
    11,292.16x = 129,488,145.83
  5. Step 5: Solve for x
    x = 129,488,145.83/11,292.16
  6. Step 6: Final answer
    x = 11,467.08

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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.