Home / 8,743.14-13,114.72-2,898.38

Finding the Fourth Proportional to 8,743.14, 13,114.72 and 2,898.38

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Solution

The fourth proportional to 8,743.14, 13,114.72 and 2,898.38 is: 4,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.14 : 13,114.72 = 2,898.38 : x
  2. Step 2: Convert to fraction form
    8,743.14/13,114.72 = 2,898.38/x
  3. Step 3: Cross multiply
    8,743.14x = 13,114.72 × 2,898.38
  4. Step 4: Simplify right side
    8,743.14x = 38,011,442.15
  5. Step 5: Solve for x
    x = 38,011,442.15/8,743.14
  6. Step 6: Final answer
    x = 4,347.57

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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.