Home / 12,973.23-17,884.40-9,240.75

Finding the Fourth Proportional to 12,973.23, 17,884.40 and 9,240.75

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Solution

The fourth proportional to 12,973.23, 17,884.40 and 9,240.75 is: 12,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.23 : 17,884.40 = 9,240.75 : x
  2. Step 2: Convert to fraction form
    12,973.23/17,884.40 = 9,240.75/x
  3. Step 3: Cross multiply
    12,973.23x = 17,884.40 × 9,240.75
  4. Step 4: Simplify right side
    12,973.23x = 165,265,223.10
  5. Step 5: Solve for x
    x = 165,265,223.10/12,973.23
  6. Step 6: Final answer
    x = 12,738.94

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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.