Home / 11,475.07-15,834.95-6,438.83

Finding the Fourth Proportional to 11,475.07, 15,834.95 and 6,438.83

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Solution

The fourth proportional to 11,475.07, 15,834.95 and 6,438.83 is: 8,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.07 : 15,834.95 = 6,438.83 : x
  2. Step 2: Convert to fraction form
    11,475.07/15,834.95 = 6,438.83/x
  3. Step 3: Cross multiply
    11,475.07x = 15,834.95 × 6,438.83
  4. Step 4: Simplify right side
    11,475.07x = 101,958,551.11
  5. Step 5: Solve for x
    x = 101,958,551.11/11,475.07
  6. Step 6: Final answer
    x = 8,885.22

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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.