Home / 7,863.42-10,851.12-4,506.06

Finding the Fourth Proportional to 7,863.42, 10,851.12 and 4,506.06

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Solution

The fourth proportional to 7,863.42, 10,851.12 and 4,506.06 is: 6,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.42 : 10,851.12 = 4,506.06 : x
  2. Step 2: Convert to fraction form
    7,863.42/10,851.12 = 4,506.06/x
  3. Step 3: Cross multiply
    7,863.42x = 10,851.12 × 4,506.06
  4. Step 4: Simplify right side
    7,863.42x = 48,895,797.79
  5. Step 5: Solve for x
    x = 48,895,797.79/7,863.42
  6. Step 6: Final answer
    x = 6,218.13

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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.