Home / 7,864.43-10,851.68-4,506.60

Finding the Fourth Proportional to 7,864.43, 10,851.68 and 4,506.60

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Solution

The fourth proportional to 7,864.43, 10,851.68 and 4,506.60 is: 6,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.43 : 10,851.68 = 4,506.60 : x
  2. Step 2: Convert to fraction form
    7,864.43/10,851.68 = 4,506.60/x
  3. Step 3: Cross multiply
    7,864.43x = 10,851.68 × 4,506.60
  4. Step 4: Simplify right side
    7,864.43x = 48,904,158.56
  5. Step 5: Solve for x
    x = 48,904,158.56/7,864.43
  6. Step 6: Final answer
    x = 6,218.40

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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.