Home / 9,213.52-12,714.66-5,436.69

Finding the Fourth Proportional to 9,213.52, 12,714.66 and 5,436.69

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Solution

The fourth proportional to 9,213.52, 12,714.66 and 5,436.69 is: 7,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.52 : 12,714.66 = 5,436.69 : x
  2. Step 2: Convert to fraction form
    9,213.52/12,714.66 = 5,436.69/x
  3. Step 3: Cross multiply
    9,213.52x = 12,714.66 × 5,436.69
  4. Step 4: Simplify right side
    9,213.52x = 69,125,664.88
  5. Step 5: Solve for x
    x = 69,125,664.88/9,213.52
  6. Step 6: Final answer
    x = 7,502.63

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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.