Home / 10,020.47-13,827.65-5,543.96

Finding the Fourth Proportional to 10,020.47, 13,827.65 and 5,543.96

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Solution

The fourth proportional to 10,020.47, 13,827.65 and 5,543.96 is: 7,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.47 : 13,827.65 = 5,543.96 : x
  2. Step 2: Convert to fraction form
    10,020.47/13,827.65 = 5,543.96/x
  3. Step 3: Cross multiply
    10,020.47x = 13,827.65 × 5,543.96
  4. Step 4: Simplify right side
    10,020.47x = 76,659,841.64
  5. Step 5: Solve for x
    x = 76,659,841.64/10,020.47
  6. Step 6: Final answer
    x = 7,650.33

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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.