Home / 8,948.34-12,348.20-4,969.19

Finding the Fourth Proportional to 8,948.34, 12,348.20 and 4,969.19

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Solution

The fourth proportional to 8,948.34, 12,348.20 and 4,969.19 is: 6,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.34 : 12,348.20 = 4,969.19 : x
  2. Step 2: Convert to fraction form
    8,948.34/12,348.20 = 4,969.19/x
  3. Step 3: Cross multiply
    8,948.34x = 12,348.20 × 4,969.19
  4. Step 4: Simplify right side
    8,948.34x = 61,360,595.25
  5. Step 5: Solve for x
    x = 61,360,595.25/8,948.34
  6. Step 6: Final answer
    x = 6,857.20

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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.