Home / 10,295.12-15,459.77-6,424.13

Finding the Fourth Proportional to 10,295.12, 15,459.77 and 6,424.13

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Solution

The fourth proportional to 10,295.12, 15,459.77 and 6,424.13 is: 9,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.12 : 15,459.77 = 6,424.13 : x
  2. Step 2: Convert to fraction form
    10,295.12/15,459.77 = 6,424.13/x
  3. Step 3: Cross multiply
    10,295.12x = 15,459.77 × 6,424.13
  4. Step 4: Simplify right side
    10,295.12x = 99,315,540.13
  5. Step 5: Solve for x
    x = 99,315,540.13/10,295.12
  6. Step 6: Final answer
    x = 9,646.86

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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.