Home / 8,953.20-12,343.32-7,553.52

Finding the Fourth Proportional to 8,953.20, 12,343.32 and 7,553.52

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Solution

The fourth proportional to 8,953.20, 12,343.32 and 7,553.52 is: 10,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.20 : 12,343.32 = 7,553.52 : x
  2. Step 2: Convert to fraction form
    8,953.20/12,343.32 = 7,553.52/x
  3. Step 3: Cross multiply
    8,953.20x = 12,343.32 × 7,553.52
  4. Step 4: Simplify right side
    8,953.20x = 93,235,514.49
  5. Step 5: Solve for x
    x = 93,235,514.49/8,953.20
  6. Step 6: Final answer
    x = 10,413.65

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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.