Home / 9,342.44-12,885.28-5,985.57

Finding the Fourth Proportional to 9,342.44, 12,885.28 and 5,985.57

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Solution

The fourth proportional to 9,342.44, 12,885.28 and 5,985.57 is: 8,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.44 : 12,885.28 = 5,985.57 : x
  2. Step 2: Convert to fraction form
    9,342.44/12,885.28 = 5,985.57/x
  3. Step 3: Cross multiply
    9,342.44x = 12,885.28 × 5,985.57
  4. Step 4: Simplify right side
    9,342.44x = 77,125,706.29
  5. Step 5: Solve for x
    x = 77,125,706.29/9,342.44
  6. Step 6: Final answer
    x = 8,255.41

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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.