Home / 8,328.47-11,492.17-5,348.34

Finding the Fourth Proportional to 8,328.47, 11,492.17 and 5,348.34

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Solution

The fourth proportional to 8,328.47, 11,492.17 and 5,348.34 is: 7,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.47 : 11,492.17 = 5,348.34 : x
  2. Step 2: Convert to fraction form
    8,328.47/11,492.17 = 5,348.34/x
  3. Step 3: Cross multiply
    8,328.47x = 11,492.17 × 5,348.34
  4. Step 4: Simplify right side
    8,328.47x = 61,464,006.12
  5. Step 5: Solve for x
    x = 61,464,006.12/8,328.47
  6. Step 6: Final answer
    x = 7,379.99

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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.