Home / 10,206.38-14,084.85-5,730.18

Finding the Fourth Proportional to 10,206.38, 14,084.85 and 5,730.18

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Solution

The fourth proportional to 10,206.38, 14,084.85 and 5,730.18 is: 7,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.38 : 14,084.85 = 5,730.18 : x
  2. Step 2: Convert to fraction form
    10,206.38/14,084.85 = 5,730.18/x
  3. Step 3: Cross multiply
    10,206.38x = 14,084.85 × 5,730.18
  4. Step 4: Simplify right side
    10,206.38x = 80,708,725.77
  5. Step 5: Solve for x
    x = 80,708,725.77/10,206.38
  6. Step 6: Final answer
    x = 7,907.68

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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.