Home / 8,779.13-13,168.71-3,585.01

Finding the Fourth Proportional to 8,779.13, 13,168.71 and 3,585.01

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Solution

The fourth proportional to 8,779.13, 13,168.71 and 3,585.01 is: 5,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.13 : 13,168.71 = 3,585.01 : x
  2. Step 2: Convert to fraction form
    8,779.13/13,168.71 = 3,585.01/x
  3. Step 3: Cross multiply
    8,779.13x = 13,168.71 × 3,585.01
  4. Step 4: Simplify right side
    8,779.13x = 47,209,933.08
  5. Step 5: Solve for x
    x = 47,209,933.08/8,779.13
  6. Step 6: Final answer
    x = 5,377.52

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.