Home / 12,353.54-17,043.56-8,575.70

Finding the Fourth Proportional to 12,353.54, 17,043.56 and 8,575.70

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Solution

The fourth proportional to 12,353.54, 17,043.56 and 8,575.70 is: 11,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.54 : 17,043.56 = 8,575.70 : x
  2. Step 2: Convert to fraction form
    12,353.54/17,043.56 = 8,575.70/x
  3. Step 3: Cross multiply
    12,353.54x = 17,043.56 × 8,575.70
  4. Step 4: Simplify right side
    12,353.54x = 146,160,329.40
  5. Step 5: Solve for x
    x = 146,160,329.40/12,353.54
  6. Step 6: Final answer
    x = 11,831.46

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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.