Home / 9,983.10-14,974.65-3,407.70

Finding the Fourth Proportional to 9,983.10, 14,974.65 and 3,407.70

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Solution

The fourth proportional to 9,983.10, 14,974.65 and 3,407.70 is: 5,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.10 : 14,974.65 = 3,407.70 : x
  2. Step 2: Convert to fraction form
    9,983.10/14,974.65 = 3,407.70/x
  3. Step 3: Cross multiply
    9,983.10x = 14,974.65 × 3,407.70
  4. Step 4: Simplify right side
    9,983.10x = 51,029,114.81
  5. Step 5: Solve for x
    x = 51,029,114.81/9,983.10
  6. Step 6: Final answer
    x = 5,111.55

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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.