Home / 8,948.08-12,348.16-4,969.12

Finding the Fourth Proportional to 8,948.08, 12,348.16 and 4,969.12

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Solution

The fourth proportional to 8,948.08, 12,348.16 and 4,969.12 is: 6,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.08 : 12,348.16 = 4,969.12 : x
  2. Step 2: Convert to fraction form
    8,948.08/12,348.16 = 4,969.12/x
  3. Step 3: Cross multiply
    8,948.08x = 12,348.16 × 4,969.12
  4. Step 4: Simplify right side
    8,948.08x = 61,359,488.82
  5. Step 5: Solve for x
    x = 61,359,488.82/8,948.08
  6. Step 6: Final answer
    x = 6,857.28

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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.