Home / 10,994.17-15,168.36-7,016.58

Finding the Fourth Proportional to 10,994.17, 15,168.36 and 7,016.58

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Solution

The fourth proportional to 10,994.17, 15,168.36 and 7,016.58 is: 9,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.17 : 15,168.36 = 7,016.58 : x
  2. Step 2: Convert to fraction form
    10,994.17/15,168.36 = 7,016.58/x
  3. Step 3: Cross multiply
    10,994.17x = 15,168.36 × 7,016.58
  4. Step 4: Simplify right side
    10,994.17x = 106,430,011.41
  5. Step 5: Solve for x
    x = 106,430,011.41/10,994.17
  6. Step 6: Final answer
    x = 9,680.59

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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.