Home / 12,468.50-17,208.75-7,433.05

Finding the Fourth Proportional to 12,468.50, 17,208.75 and 7,433.05

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Solution

The fourth proportional to 12,468.50, 17,208.75 and 7,433.05 is: 10,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.50 : 17,208.75 = 7,433.05 : x
  2. Step 2: Convert to fraction form
    12,468.50/17,208.75 = 7,433.05/x
  3. Step 3: Cross multiply
    12,468.50x = 17,208.75 × 7,433.05
  4. Step 4: Simplify right side
    12,468.50x = 127,913,516.31
  5. Step 5: Solve for x
    x = 127,913,516.31/12,468.50
  6. Step 6: Final answer
    x = 10,258.93

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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.