Home / 8,466.78-11,685.06-4,690.26

Finding the Fourth Proportional to 8,466.78, 11,685.06 and 4,690.26

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Solution

The fourth proportional to 8,466.78, 11,685.06 and 4,690.26 is: 6,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.78 : 11,685.06 = 4,690.26 : x
  2. Step 2: Convert to fraction form
    8,466.78/11,685.06 = 4,690.26/x
  3. Step 3: Cross multiply
    8,466.78x = 11,685.06 × 4,690.26
  4. Step 4: Simplify right side
    8,466.78x = 54,805,969.52
  5. Step 5: Solve for x
    x = 54,805,969.52/8,466.78
  6. Step 6: Final answer
    x = 6,473.06

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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.