Home / 11,332.40-16,998.60-10,180.40

Finding the Fourth Proportional to 11,332.40, 16,998.60 and 10,180.40

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Solution

The fourth proportional to 11,332.40, 16,998.60 and 10,180.40 is: 15,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.40 : 16,998.60 = 10,180.40 : x
  2. Step 2: Convert to fraction form
    11,332.40/16,998.60 = 10,180.40/x
  3. Step 3: Cross multiply
    11,332.40x = 16,998.60 × 10,180.40
  4. Step 4: Simplify right side
    11,332.40x = 173,052,547.44
  5. Step 5: Solve for x
    x = 173,052,547.44/11,332.40
  6. Step 6: Final answer
    x = 15,270.60

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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.