Home / 8,747.60-12,071.58-4,768.61

Finding the Fourth Proportional to 8,747.60, 12,071.58 and 4,768.61

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Solution

The fourth proportional to 8,747.60, 12,071.58 and 4,768.61 is: 6,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.60 : 12,071.58 = 4,768.61 : x
  2. Step 2: Convert to fraction form
    8,747.60/12,071.58 = 4,768.61/x
  3. Step 3: Cross multiply
    8,747.60x = 12,071.58 × 4,768.61
  4. Step 4: Simplify right side
    8,747.60x = 57,564,657.10
  5. Step 5: Solve for x
    x = 57,564,657.10/8,747.60
  6. Step 6: Final answer
    x = 6,580.62

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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.