Home / 7,432.54-11,162.70-6,543.39

Finding the Fourth Proportional to 7,432.54, 11,162.70 and 6,543.39

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Solution

The fourth proportional to 7,432.54, 11,162.70 and 6,543.39 is: 9,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.54 : 11,162.70 = 6,543.39 : x
  2. Step 2: Convert to fraction form
    7,432.54/11,162.70 = 6,543.39/x
  3. Step 3: Cross multiply
    7,432.54x = 11,162.70 × 6,543.39
  4. Step 4: Simplify right side
    7,432.54x = 73,041,899.55
  5. Step 5: Solve for x
    x = 73,041,899.55/7,432.54
  6. Step 6: Final answer
    x = 9,827.31

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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.