Home / 12,353.24-17,047.48-6,688.04

Finding the Fourth Proportional to 12,353.24, 17,047.48 and 6,688.04

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Solution

The fourth proportional to 12,353.24, 17,047.48 and 6,688.04 is: 9,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.24 : 17,047.48 = 6,688.04 : x
  2. Step 2: Convert to fraction form
    12,353.24/17,047.48 = 6,688.04/x
  3. Step 3: Cross multiply
    12,353.24x = 17,047.48 × 6,688.04
  4. Step 4: Simplify right side
    12,353.24x = 114,014,228.14
  5. Step 5: Solve for x
    x = 114,014,228.14/12,353.24
  6. Step 6: Final answer
    x = 9,229.50

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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.