Home / 12,360.16-17,057.44-7,055.76

Finding the Fourth Proportional to 12,360.16, 17,057.44 and 7,055.76

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Solution

The fourth proportional to 12,360.16, 17,057.44 and 7,055.76 is: 9,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.16 : 17,057.44 = 7,055.76 : x
  2. Step 2: Convert to fraction form
    12,360.16/17,057.44 = 7,055.76/x
  3. Step 3: Cross multiply
    12,360.16x = 17,057.44 × 7,055.76
  4. Step 4: Simplify right side
    12,360.16x = 120,353,202.85
  5. Step 5: Solve for x
    x = 120,353,202.85/12,360.16
  6. Step 6: Final answer
    x = 9,737.19

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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.