Home / 11,348.70-17,002.80-5,492.40

Finding the Fourth Proportional to 11,348.70, 17,002.80 and 5,492.40

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Solution

The fourth proportional to 11,348.70, 17,002.80 and 5,492.40 is: 8,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.70 : 17,002.80 = 5,492.40 : x
  2. Step 2: Convert to fraction form
    11,348.70/17,002.80 = 5,492.40/x
  3. Step 3: Cross multiply
    11,348.70x = 17,002.80 × 5,492.40
  4. Step 4: Simplify right side
    11,348.70x = 93,386,178.72
  5. Step 5: Solve for x
    x = 93,386,178.72/11,348.70
  6. Step 6: Final answer
    x = 8,228.80

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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.