Home / 10,347.41-15,524.90-6,455.09

Finding the Fourth Proportional to 10,347.41, 15,524.90 and 6,455.09

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Solution

The fourth proportional to 10,347.41, 15,524.90 and 6,455.09 is: 9,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.41 : 15,524.90 = 6,455.09 : x
  2. Step 2: Convert to fraction form
    10,347.41/15,524.90 = 6,455.09/x
  3. Step 3: Cross multiply
    10,347.41x = 15,524.90 × 6,455.09
  4. Step 4: Simplify right side
    10,347.41x = 100,214,594.47
  5. Step 5: Solve for x
    x = 100,214,594.47/10,347.41
  6. Step 6: Final answer
    x = 9,684.99

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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.