Home / 7,862.82-10,851.16-4,506.68

Finding the Fourth Proportional to 7,862.82, 10,851.16 and 4,506.68

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Solution

The fourth proportional to 7,862.82, 10,851.16 and 4,506.68 is: 6,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.82 : 10,851.16 = 4,506.68 : x
  2. Step 2: Convert to fraction form
    7,862.82/10,851.16 = 4,506.68/x
  3. Step 3: Cross multiply
    7,862.82x = 10,851.16 × 4,506.68
  4. Step 4: Simplify right side
    7,862.82x = 48,902,705.75
  5. Step 5: Solve for x
    x = 48,902,705.75/7,862.82
  6. Step 6: Final answer
    x = 6,219.49

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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.