Home / 12,442.18-18,653.97-7,510.66

Finding the Fourth Proportional to 12,442.18, 18,653.97 and 7,510.66

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Solution

The fourth proportional to 12,442.18, 18,653.97 and 7,510.66 is: 11,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.18 : 18,653.97 = 7,510.66 : x
  2. Step 2: Convert to fraction form
    12,442.18/18,653.97 = 7,510.66/x
  3. Step 3: Cross multiply
    12,442.18x = 18,653.97 × 7,510.66
  4. Step 4: Simplify right side
    12,442.18x = 140,103,626.32
  5. Step 5: Solve for x
    x = 140,103,626.32/12,442.18
  6. Step 6: Final answer
    x = 11,260.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.