Home / 8,207.87-11,325.71-4,670.69

Finding the Fourth Proportional to 8,207.87, 11,325.71 and 4,670.69

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Solution

The fourth proportional to 8,207.87, 11,325.71 and 4,670.69 is: 6,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.87 : 11,325.71 = 4,670.69 : x
  2. Step 2: Convert to fraction form
    8,207.87/11,325.71 = 4,670.69/x
  3. Step 3: Cross multiply
    8,207.87x = 11,325.71 × 4,670.69
  4. Step 4: Simplify right side
    8,207.87x = 52,898,835.49
  5. Step 5: Solve for x
    x = 52,898,835.49/8,207.87
  6. Step 6: Final answer
    x = 6,444.90

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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.