Home / 11,463.60-17,195.40-8,547.60

Finding the Fourth Proportional to 11,463.60, 17,195.40 and 8,547.60

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Solution

The fourth proportional to 11,463.60, 17,195.40 and 8,547.60 is: 12,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.60 : 17,195.40 = 8,547.60 : x
  2. Step 2: Convert to fraction form
    11,463.60/17,195.40 = 8,547.60/x
  3. Step 3: Cross multiply
    11,463.60x = 17,195.40 × 8,547.60
  4. Step 4: Simplify right side
    11,463.60x = 146,979,401.04
  5. Step 5: Solve for x
    x = 146,979,401.04/11,463.60
  6. Step 6: Final answer
    x = 12,821.40

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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.