Home / 7,470.72-11,203.40-2,472.16

Finding the Fourth Proportional to 7,470.72, 11,203.40 and 2,472.16

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Solution

The fourth proportional to 7,470.72, 11,203.40 and 2,472.16 is: 3,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.72 : 11,203.40 = 2,472.16 : x
  2. Step 2: Convert to fraction form
    7,470.72/11,203.40 = 2,472.16/x
  3. Step 3: Cross multiply
    7,470.72x = 11,203.40 × 2,472.16
  4. Step 4: Simplify right side
    7,470.72x = 27,696,597.34
  5. Step 5: Solve for x
    x = 27,696,597.34/7,470.72
  6. Step 6: Final answer
    x = 3,707.35

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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.