Home / 10,657.19-15,956.75-7,698.66

Finding the Fourth Proportional to 10,657.19, 15,956.75 and 7,698.66

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Solution

The fourth proportional to 10,657.19, 15,956.75 and 7,698.66 is: 11,527.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657.19 : 15,956.75 = 7,698.66 : x
  2. Step 2: Convert to fraction form
    10,657.19/15,956.75 = 7,698.66/x
  3. Step 3: Cross multiply
    10,657.19x = 15,956.75 × 7,698.66
  4. Step 4: Simplify right side
    10,657.19x = 122,845,554.46
  5. Step 5: Solve for x
    x = 122,845,554.46/10,657.19
  6. Step 6: Final answer
    x = 11,527.02

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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.