Home / 7,851.66-10,832.61-4,866.40

Finding the Fourth Proportional to 7,851.66, 10,832.61 and 4,866.40

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Solution

The fourth proportional to 7,851.66, 10,832.61 and 4,866.40 is: 6,713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.66 : 10,832.61 = 4,866.40 : x
  2. Step 2: Convert to fraction form
    7,851.66/10,832.61 = 4,866.40/x
  3. Step 3: Cross multiply
    7,851.66x = 10,832.61 × 4,866.40
  4. Step 4: Simplify right side
    7,851.66x = 52,715,813.30
  5. Step 5: Solve for x
    x = 52,715,813.30/7,851.66
  6. Step 6: Final answer
    x = 6,713.97

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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.