Home / 9,010.79-12,432.85-6,466.58

Finding the Fourth Proportional to 9,010.79, 12,432.85 and 6,466.58

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Solution

The fourth proportional to 9,010.79, 12,432.85 and 6,466.58 is: 8,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.79 : 12,432.85 = 6,466.58 : x
  2. Step 2: Convert to fraction form
    9,010.79/12,432.85 = 6,466.58/x
  3. Step 3: Cross multiply
    9,010.79x = 12,432.85 × 6,466.58
  4. Step 4: Simplify right side
    9,010.79x = 80,398,019.15
  5. Step 5: Solve for x
    x = 80,398,019.15/9,010.79
  6. Step 6: Final answer
    x = 8,922.42

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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.