Home / 12,600.38-17,386.60-7,563.50

Finding the Fourth Proportional to 12,600.38, 17,386.60 and 7,563.50

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Solution

The fourth proportional to 12,600.38, 17,386.60 and 7,563.50 is: 10,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.38 : 17,386.60 = 7,563.50 : x
  2. Step 2: Convert to fraction form
    12,600.38/17,386.60 = 7,563.50/x
  3. Step 3: Cross multiply
    12,600.38x = 17,386.60 × 7,563.50
  4. Step 4: Simplify right side
    12,600.38x = 131,503,549.10
  5. Step 5: Solve for x
    x = 131,503,549.10/12,600.38
  6. Step 6: Final answer
    x = 10,436.47

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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.