Home / 8,158.74-11,258.84-4,623.09

Finding the Fourth Proportional to 8,158.74, 11,258.84 and 4,623.09

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Solution

The fourth proportional to 8,158.74, 11,258.84 and 4,623.09 is: 6,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.74 : 11,258.84 = 4,623.09 : x
  2. Step 2: Convert to fraction form
    8,158.74/11,258.84 = 4,623.09/x
  3. Step 3: Cross multiply
    8,158.74x = 11,258.84 × 4,623.09
  4. Step 4: Simplify right side
    8,158.74x = 52,050,607.50
  5. Step 5: Solve for x
    x = 52,050,607.50/8,158.74
  6. Step 6: Final answer
    x = 6,379.74

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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.