Home / 8,392.74-11,581.53-4,666.50

Finding the Fourth Proportional to 8,392.74, 11,581.53 and 4,666.50

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Solution

The fourth proportional to 8,392.74, 11,581.53 and 4,666.50 is: 6,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.74 : 11,581.53 = 4,666.50 : x
  2. Step 2: Convert to fraction form
    8,392.74/11,581.53 = 4,666.50/x
  3. Step 3: Cross multiply
    8,392.74x = 11,581.53 × 4,666.50
  4. Step 4: Simplify right side
    8,392.74x = 54,045,209.75
  5. Step 5: Solve for x
    x = 54,045,209.75/8,392.74
  6. Step 6: Final answer
    x = 6,439.52

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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.