Home / 10,543.96-15,818.10-3,523.15

Finding the Fourth Proportional to 10,543.96, 15,818.10 and 3,523.15

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Solution

The fourth proportional to 10,543.96, 15,818.10 and 3,523.15 is: 5,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.96 : 15,818.10 = 3,523.15 : x
  2. Step 2: Convert to fraction form
    10,543.96/15,818.10 = 3,523.15/x
  3. Step 3: Cross multiply
    10,543.96x = 15,818.10 × 3,523.15
  4. Step 4: Simplify right side
    10,543.96x = 55,729,539.02
  5. Step 5: Solve for x
    x = 55,729,539.02/10,543.96
  6. Step 6: Final answer
    x = 5,285.45

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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.