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Finding the Fourth Proportional to 8,693.71, 11,995.30 and 5,866.32

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Solution

The fourth proportional to 8,693.71, 11,995.30 and 5,866.32 is: 8,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.71 : 11,995.30 = 5,866.32 : x
  2. Step 2: Convert to fraction form
    8,693.71/11,995.30 = 5,866.32/x
  3. Step 3: Cross multiply
    8,693.71x = 11,995.30 × 5,866.32
  4. Step 4: Simplify right side
    8,693.71x = 70,368,268.30
  5. Step 5: Solve for x
    x = 70,368,268.30/8,693.71
  6. Step 6: Final answer
    x = 8,094.16

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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.