Home / 12,048.40-16,627.50-6,743.56

Finding the Fourth Proportional to 12,048.40, 16,627.50 and 6,743.56

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Solution

The fourth proportional to 12,048.40, 16,627.50 and 6,743.56 is: 9,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.40 : 16,627.50 = 6,743.56 : x
  2. Step 2: Convert to fraction form
    12,048.40/16,627.50 = 6,743.56/x
  3. Step 3: Cross multiply
    12,048.40x = 16,627.50 × 6,743.56
  4. Step 4: Simplify right side
    12,048.40x = 112,128,543.90
  5. Step 5: Solve for x
    x = 112,128,543.90/12,048.40
  6. Step 6: Final answer
    x = 9,306.51

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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.