Home / 9,392.46-12,961.84-5,143.76

Finding the Fourth Proportional to 9,392.46, 12,961.84 and 5,143.76

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Solution

The fourth proportional to 9,392.46, 12,961.84 and 5,143.76 is: 7,098.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.46 : 12,961.84 = 5,143.76 : x
  2. Step 2: Convert to fraction form
    9,392.46/12,961.84 = 5,143.76/x
  3. Step 3: Cross multiply
    9,392.46x = 12,961.84 × 5,143.76
  4. Step 4: Simplify right side
    9,392.46x = 66,672,598.88
  5. Step 5: Solve for x
    x = 66,672,598.88/9,392.46
  6. Step 6: Final answer
    x = 7,098.52

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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.