Home / 12,432.19-18,656.06-5,036.69

Finding the Fourth Proportional to 12,432.19, 18,656.06 and 5,036.69

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Solution

The fourth proportional to 12,432.19, 18,656.06 and 5,036.69 is: 7,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.19 : 18,656.06 = 5,036.69 : x
  2. Step 2: Convert to fraction form
    12,432.19/18,656.06 = 5,036.69/x
  3. Step 3: Cross multiply
    12,432.19x = 18,656.06 × 5,036.69
  4. Step 4: Simplify right side
    12,432.19x = 93,964,672.38
  5. Step 5: Solve for x
    x = 93,964,672.38/12,432.19
  6. Step 6: Final answer
    x = 7,558.18

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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.