Home / 8,924.83-12,316.59-5,387.36

Finding the Fourth Proportional to 8,924.83, 12,316.59 and 5,387.36

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Solution

The fourth proportional to 8,924.83, 12,316.59 and 5,387.36 is: 7,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.83 : 12,316.59 = 5,387.36 : x
  2. Step 2: Convert to fraction form
    8,924.83/12,316.59 = 5,387.36/x
  3. Step 3: Cross multiply
    8,924.83x = 12,316.59 × 5,387.36
  4. Step 4: Simplify right side
    8,924.83x = 66,353,842.72
  5. Step 5: Solve for x
    x = 66,353,842.72/8,924.83
  6. Step 6: Final answer
    x = 7,434.75

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Similar ratio
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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.