Home / 12,359.55-17,056.20-7,326.25

Finding the Fourth Proportional to 12,359.55, 17,056.20 and 7,326.25

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Solution

The fourth proportional to 12,359.55, 17,056.20 and 7,326.25 is: 10,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.55 : 17,056.20 = 7,326.25 : x
  2. Step 2: Convert to fraction form
    12,359.55/17,056.20 = 7,326.25/x
  3. Step 3: Cross multiply
    12,359.55x = 17,056.20 × 7,326.25
  4. Step 4: Simplify right side
    12,359.55x = 124,957,970.08
  5. Step 5: Solve for x
    x = 124,957,970.08/12,359.55
  6. Step 6: Final answer
    x = 10,110.23

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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.