Home / 9,876.24-14,812.72-2,949.12

Finding the Fourth Proportional to 9,876.24, 14,812.72 and 2,949.12

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Solution

The fourth proportional to 9,876.24, 14,812.72 and 2,949.12 is: 4,423.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876.24 : 14,812.72 = 2,949.12 : x
  2. Step 2: Convert to fraction form
    9,876.24/14,812.72 = 2,949.12/x
  3. Step 3: Cross multiply
    9,876.24x = 14,812.72 × 2,949.12
  4. Step 4: Simplify right side
    9,876.24x = 43,684,488.81
  5. Step 5: Solve for x
    x = 43,684,488.81/9,876.24
  6. Step 6: Final answer
    x = 4,423.19

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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.