Home / 9,154.87-12,633.72-4,963.12

Finding the Fourth Proportional to 9,154.87, 12,633.72 and 4,963.12

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Solution

The fourth proportional to 9,154.87, 12,633.72 and 4,963.12 is: 6,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.87 : 12,633.72 = 4,963.12 : x
  2. Step 2: Convert to fraction form
    9,154.87/12,633.72 = 4,963.12/x
  3. Step 3: Cross multiply
    9,154.87x = 12,633.72 × 4,963.12
  4. Step 4: Simplify right side
    9,154.87x = 62,702,668.41
  5. Step 5: Solve for x
    x = 62,702,668.41/9,154.87
  6. Step 6: Final answer
    x = 6,849.11

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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.