Home / 12,353.74-17,048.04-6,688.48

Finding the Fourth Proportional to 12,353.74, 17,048.04 and 6,688.48

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Solution

The fourth proportional to 12,353.74, 17,048.04 and 6,688.48 is: 9,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.74 : 17,048.04 = 6,688.48 : x
  2. Step 2: Convert to fraction form
    12,353.74/17,048.04 = 6,688.48/x
  3. Step 3: Cross multiply
    12,353.74x = 17,048.04 × 6,688.48
  4. Step 4: Simplify right side
    12,353.74x = 114,025,474.58
  5. Step 5: Solve for x
    x = 114,025,474.58/12,353.74
  6. Step 6: Final answer
    x = 9,230.04

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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.