Home / 13,009.19-17,952.65-7,040.86

Finding the Fourth Proportional to 13,009.19, 17,952.65 and 7,040.86

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Solution

The fourth proportional to 13,009.19, 17,952.65 and 7,040.86 is: 9,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.19 : 17,952.65 = 7,040.86 : x
  2. Step 2: Convert to fraction form
    13,009.19/17,952.65 = 7,040.86/x
  3. Step 3: Cross multiply
    13,009.19x = 17,952.65 × 7,040.86
  4. Step 4: Simplify right side
    13,009.19x = 126,401,970.31
  5. Step 5: Solve for x
    x = 126,401,970.31/13,009.19
  6. Step 6: Final answer
    x = 9,716.36

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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.