Home / 8,316.12-12,454.31-4,798.76

Finding the Fourth Proportional to 8,316.12, 12,454.31 and 4,798.76

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Solution

The fourth proportional to 8,316.12, 12,454.31 and 4,798.76 is: 7,186.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.12 : 12,454.31 = 4,798.76 : x
  2. Step 2: Convert to fraction form
    8,316.12/12,454.31 = 4,798.76/x
  3. Step 3: Cross multiply
    8,316.12x = 12,454.31 × 4,798.76
  4. Step 4: Simplify right side
    8,316.12x = 59,765,158.39
  5. Step 5: Solve for x
    x = 59,765,158.39/8,316.12
  6. Step 6: Final answer
    x = 7,186.66

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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.