Home / 10,315.81-14,234.64-6,335.92

Finding the Fourth Proportional to 10,315.81, 14,234.64 and 6,335.92

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Solution

The fourth proportional to 10,315.81, 14,234.64 and 6,335.92 is: 8,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.81 : 14,234.64 = 6,335.92 : x
  2. Step 2: Convert to fraction form
    10,315.81/14,234.64 = 6,335.92/x
  3. Step 3: Cross multiply
    10,315.81x = 14,234.64 × 6,335.92
  4. Step 4: Simplify right side
    10,315.81x = 90,189,534.30
  5. Step 5: Solve for x
    x = 90,189,534.30/10,315.81
  6. Step 6: Final answer
    x = 8,742.85

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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.