Home / 10,206.95-14,084.50-5,731.19

Finding the Fourth Proportional to 10,206.95, 14,084.50 and 5,731.19

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Solution

The fourth proportional to 10,206.95, 14,084.50 and 5,731.19 is: 7,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.95 : 14,084.50 = 5,731.19 : x
  2. Step 2: Convert to fraction form
    10,206.95/14,084.50 = 5,731.19/x
  3. Step 3: Cross multiply
    10,206.95x = 14,084.50 × 5,731.19
  4. Step 4: Simplify right side
    10,206.95x = 80,720,860.80
  5. Step 5: Solve for x
    x = 80,720,860.80/10,206.95
  6. Step 6: Final answer
    x = 7,908.43

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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.