Home / 10,543.13-15,806.88-6,382.23

Finding the Fourth Proportional to 10,543.13, 15,806.88 and 6,382.23

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Solution

The fourth proportional to 10,543.13, 15,806.88 and 6,382.23 is: 9,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.13 : 15,806.88 = 6,382.23 : x
  2. Step 2: Convert to fraction form
    10,543.13/15,806.88 = 6,382.23/x
  3. Step 3: Cross multiply
    10,543.13x = 15,806.88 × 6,382.23
  4. Step 4: Simplify right side
    10,543.13x = 100,883,084.47
  5. Step 5: Solve for x
    x = 100,883,084.47/10,543.13
  6. Step 6: Final answer
    x = 9,568.61

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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.