Home / 12,359.03-17,056.19-7,055.56

Finding the Fourth Proportional to 12,359.03, 17,056.19 and 7,055.56

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Solution

The fourth proportional to 12,359.03, 17,056.19 and 7,055.56 is: 9,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.03 : 17,056.19 = 7,055.56 : x
  2. Step 2: Convert to fraction form
    12,359.03/17,056.19 = 7,055.56/x
  3. Step 3: Cross multiply
    12,359.03x = 17,056.19 × 7,055.56
  4. Step 4: Simplify right side
    12,359.03x = 120,340,971.92
  5. Step 5: Solve for x
    x = 120,340,971.92/12,359.03
  6. Step 6: Final answer
    x = 9,737.09

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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.