Home / 9,159.33-12,639.90-4,967.58

Finding the Fourth Proportional to 9,159.33, 12,639.90 and 4,967.58

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Solution

The fourth proportional to 9,159.33, 12,639.90 and 4,967.58 is: 6,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.33 : 12,639.90 = 4,967.58 : x
  2. Step 2: Convert to fraction form
    9,159.33/12,639.90 = 4,967.58/x
  3. Step 3: Cross multiply
    9,159.33x = 12,639.90 × 4,967.58
  4. Step 4: Simplify right side
    9,159.33x = 62,789,714.44
  5. Step 5: Solve for x
    x = 62,789,714.44/9,159.33
  6. Step 6: Final answer
    x = 6,855.27

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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.