Home / 8,155.73-12,237.38-5,830.76

Finding the Fourth Proportional to 8,155.73, 12,237.38 and 5,830.76

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Solution

The fourth proportional to 8,155.73, 12,237.38 and 5,830.76 is: 8,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.73 : 12,237.38 = 5,830.76 : x
  2. Step 2: Convert to fraction form
    8,155.73/12,237.38 = 5,830.76/x
  3. Step 3: Cross multiply
    8,155.73x = 12,237.38 × 5,830.76
  4. Step 4: Simplify right side
    8,155.73x = 71,353,225.81
  5. Step 5: Solve for x
    x = 71,353,225.81/8,155.73
  6. Step 6: Final answer
    x = 8,748.85

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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.