Home / 7,821.33-10,790.76-4,461.73

Finding the Fourth Proportional to 7,821.33, 10,790.76 and 4,461.73

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Solution

The fourth proportional to 7,821.33, 10,790.76 and 4,461.73 is: 6,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.33 : 10,790.76 = 4,461.73 : x
  2. Step 2: Convert to fraction form
    7,821.33/10,790.76 = 4,461.73/x
  3. Step 3: Cross multiply
    7,821.33x = 10,790.76 × 4,461.73
  4. Step 4: Simplify right side
    7,821.33x = 48,145,457.61
  5. Step 5: Solve for x
    x = 48,145,457.61/7,821.33
  6. Step 6: Final answer
    x = 6,155.66

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Double scale
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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.