Home / 10,895.32-15,033.21-6,417.43

Finding the Fourth Proportional to 10,895.32, 15,033.21 and 6,417.43

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Solution

The fourth proportional to 10,895.32, 15,033.21 and 6,417.43 is: 8,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.32 : 15,033.21 = 6,417.43 : x
  2. Step 2: Convert to fraction form
    10,895.32/15,033.21 = 6,417.43/x
  3. Step 3: Cross multiply
    10,895.32x = 15,033.21 × 6,417.43
  4. Step 4: Simplify right side
    10,895.32x = 96,474,572.85
  5. Step 5: Solve for x
    x = 96,474,572.85/10,895.32
  6. Step 6: Final answer
    x = 8,854.68

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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.