Home / 12,356.08-18,532.60-7,293.17

Finding the Fourth Proportional to 12,356.08, 18,532.60 and 7,293.17

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Solution

The fourth proportional to 12,356.08, 18,532.60 and 7,293.17 is: 10,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.08 : 18,532.60 = 7,293.17 : x
  2. Step 2: Convert to fraction form
    12,356.08/18,532.60 = 7,293.17/x
  3. Step 3: Cross multiply
    12,356.08x = 18,532.60 × 7,293.17
  4. Step 4: Simplify right side
    12,356.08x = 135,161,430.44
  5. Step 5: Solve for x
    x = 135,161,430.44/12,356.08
  6. Step 6: Final answer
    x = 10,938.86

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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.