Home / 9,342.46-12,885.30-5,985.58

Finding the Fourth Proportional to 9,342.46, 12,885.30 and 5,985.58

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Solution

The fourth proportional to 9,342.46, 12,885.30 and 5,985.58 is: 8,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.46 : 12,885.30 = 5,985.58 : x
  2. Step 2: Convert to fraction form
    9,342.46/12,885.30 = 5,985.58/x
  3. Step 3: Cross multiply
    9,342.46x = 12,885.30 × 5,985.58
  4. Step 4: Simplify right side
    9,342.46x = 77,125,993.97
  5. Step 5: Solve for x
    x = 77,125,993.97/9,342.46
  6. Step 6: Final answer
    x = 8,255.43

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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.