Home / 9,148.53-12,625.03-4,956.78

Finding the Fourth Proportional to 9,148.53, 12,625.03 and 4,956.78

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Solution

The fourth proportional to 9,148.53, 12,625.03 and 4,956.78 is: 6,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.53 : 12,625.03 = 4,956.78 : x
  2. Step 2: Convert to fraction form
    9,148.53/12,625.03 = 4,956.78/x
  3. Step 3: Cross multiply
    9,148.53x = 12,625.03 × 4,956.78
  4. Step 4: Simplify right side
    9,148.53x = 62,579,496.20
  5. Step 5: Solve for x
    x = 62,579,496.20/9,148.53
  6. Step 6: Final answer
    x = 6,840.39

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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.