Home / 12,601.50-17,390.08-7,296.60

Finding the Fourth Proportional to 12,601.50, 17,390.08 and 7,296.60

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Solution

The fourth proportional to 12,601.50, 17,390.08 and 7,296.60 is: 10,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.50 : 17,390.08 = 7,296.60 : x
  2. Step 2: Convert to fraction form
    12,601.50/17,390.08 = 7,296.60/x
  3. Step 3: Cross multiply
    12,601.50x = 17,390.08 × 7,296.60
  4. Step 4: Simplify right side
    12,601.50x = 126,888,457.73
  5. Step 5: Solve for x
    x = 126,888,457.73/12,601.50
  6. Step 6: Final answer
    x = 10,069.31

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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.