Home / 8,581.90-12,848.58-5,454.16

Finding the Fourth Proportional to 8,581.90, 12,848.58 and 5,454.16

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Solution

The fourth proportional to 8,581.90, 12,848.58 and 5,454.16 is: 8,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.90 : 12,848.58 = 5,454.16 : x
  2. Step 2: Convert to fraction form
    8,581.90/12,848.58 = 5,454.16/x
  3. Step 3: Cross multiply
    8,581.90x = 12,848.58 × 5,454.16
  4. Step 4: Simplify right side
    8,581.90x = 70,078,211.09
  5. Step 5: Solve for x
    x = 70,078,211.09/8,581.90
  6. Step 6: Final answer
    x = 8,165.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.