Home / 7,159.24-9,880.68-4,016.44

Finding the Fourth Proportional to 7,159.24, 9,880.68 and 4,016.44

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Solution

The fourth proportional to 7,159.24, 9,880.68 and 4,016.44 is: 5,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.24 : 9,880.68 = 4,016.44 : x
  2. Step 2: Convert to fraction form
    7,159.24/9,880.68 = 4,016.44/x
  3. Step 3: Cross multiply
    7,159.24x = 9,880.68 × 4,016.44
  4. Step 4: Simplify right side
    7,159.24x = 39,685,158.38
  5. Step 5: Solve for x
    x = 39,685,158.38/7,159.24
  6. Step 6: Final answer
    x = 5,543.21

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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.