Home / 12,283.41-18,424.98-5,257.47

Finding the Fourth Proportional to 12,283.41, 18,424.98 and 5,257.47

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Solution

The fourth proportional to 12,283.41, 18,424.98 and 5,257.47 is: 7,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.41 : 18,424.98 = 5,257.47 : x
  2. Step 2: Convert to fraction form
    12,283.41/18,424.98 = 5,257.47/x
  3. Step 3: Cross multiply
    12,283.41x = 18,424.98 × 5,257.47
  4. Step 4: Simplify right side
    12,283.41x = 96,868,848.69
  5. Step 5: Solve for x
    x = 96,868,848.69/12,283.41
  6. Step 6: Final answer
    x = 7,886.15

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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.