Home / 10,801.54-16,176.18-8,938.96

Finding the Fourth Proportional to 10,801.54, 16,176.18 and 8,938.96

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Solution

The fourth proportional to 10,801.54, 16,176.18 and 8,938.96 is: 13,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.54 : 16,176.18 = 8,938.96 : x
  2. Step 2: Convert to fraction form
    10,801.54/16,176.18 = 8,938.96/x
  3. Step 3: Cross multiply
    10,801.54x = 16,176.18 × 8,938.96
  4. Step 4: Simplify right side
    10,801.54x = 144,598,225.97
  5. Step 5: Solve for x
    x = 144,598,225.97/10,801.54
  6. Step 6: Final answer
    x = 13,386.82

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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.