Home / 10,347.98-15,525.20-6,654.38

Finding the Fourth Proportional to 10,347.98, 15,525.20 and 6,654.38

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Solution

The fourth proportional to 10,347.98, 15,525.20 and 6,654.38 is: 9,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.98 : 15,525.20 = 6,654.38 : x
  2. Step 2: Convert to fraction form
    10,347.98/15,525.20 = 6,654.38/x
  3. Step 3: Cross multiply
    10,347.98x = 15,525.20 × 6,654.38
  4. Step 4: Simplify right side
    10,347.98x = 103,310,519.39
  5. Step 5: Solve for x
    x = 103,310,519.39/10,347.98
  6. Step 6: Final answer
    x = 9,983.65

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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.