Home / 8,865.48-12,234.36-4,886.58

Finding the Fourth Proportional to 8,865.48, 12,234.36 and 4,886.58

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Solution

The fourth proportional to 8,865.48, 12,234.36 and 4,886.58 is: 6,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.48 : 12,234.36 = 4,886.58 : x
  2. Step 2: Convert to fraction form
    8,865.48/12,234.36 = 4,886.58/x
  3. Step 3: Cross multiply
    8,865.48x = 12,234.36 × 4,886.58
  4. Step 4: Simplify right side
    8,865.48x = 59,784,178.89
  5. Step 5: Solve for x
    x = 59,784,178.89/8,865.48
  6. Step 6: Final answer
    x = 6,743.48

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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.