Home / 13,259.61-18,298.34-7,291.33

Finding the Fourth Proportional to 13,259.61, 18,298.34 and 7,291.33

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Solution

The fourth proportional to 13,259.61, 18,298.34 and 7,291.33 is: 10,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.61 : 18,298.34 = 7,291.33 : x
  2. Step 2: Convert to fraction form
    13,259.61/18,298.34 = 7,291.33/x
  3. Step 3: Cross multiply
    13,259.61x = 18,298.34 × 7,291.33
  4. Step 4: Simplify right side
    13,259.61x = 133,419,207.87
  5. Step 5: Solve for x
    x = 133,419,207.87/13,259.61
  6. Step 6: Final answer
    x = 10,062.08

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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.