Home / 8,578.31-11,838.18-4,801.64

Finding the Fourth Proportional to 8,578.31, 11,838.18 and 4,801.64

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Solution

The fourth proportional to 8,578.31, 11,838.18 and 4,801.64 is: 6,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.31 : 11,838.18 = 4,801.64 : x
  2. Step 2: Convert to fraction form
    8,578.31/11,838.18 = 4,801.64/x
  3. Step 3: Cross multiply
    8,578.31x = 11,838.18 × 4,801.64
  4. Step 4: Simplify right side
    8,578.31x = 56,842,619.42
  5. Step 5: Solve for x
    x = 56,842,619.42/8,578.31
  6. Step 6: Final answer
    x = 6,626.32

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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.