Home / 8,470.35-11,688.91-4,693.48

Finding the Fourth Proportional to 8,470.35, 11,688.91 and 4,693.48

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Solution

The fourth proportional to 8,470.35, 11,688.91 and 4,693.48 is: 6,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.35 : 11,688.91 = 4,693.48 : x
  2. Step 2: Convert to fraction form
    8,470.35/11,688.91 = 4,693.48/x
  3. Step 3: Cross multiply
    8,470.35x = 11,688.91 × 4,693.48
  4. Step 4: Simplify right side
    8,470.35x = 54,861,718.66
  5. Step 5: Solve for x
    x = 54,861,718.66/8,470.35
  6. Step 6: Final answer
    x = 6,476.91

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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.