Home / 10,359.12-14,297.44-6,109.92

Finding the Fourth Proportional to 10,359.12, 14,297.44 and 6,109.92

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Solution

The fourth proportional to 10,359.12, 14,297.44 and 6,109.92 is: 8,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.12 : 14,297.44 = 6,109.92 : x
  2. Step 2: Convert to fraction form
    10,359.12/14,297.44 = 6,109.92/x
  3. Step 3: Cross multiply
    10,359.12x = 14,297.44 × 6,109.92
  4. Step 4: Simplify right side
    10,359.12x = 87,356,214.60
  5. Step 5: Solve for x
    x = 87,356,214.60/10,359.12
  6. Step 6: Final answer
    x = 8,432.78

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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.