Home / 9,725.85-13,421.13-5,747.33

Finding the Fourth Proportional to 9,725.85, 13,421.13 and 5,747.33

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Solution

The fourth proportional to 9,725.85, 13,421.13 and 5,747.33 is: 7,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.85 : 13,421.13 = 5,747.33 : x
  2. Step 2: Convert to fraction form
    9,725.85/13,421.13 = 5,747.33/x
  3. Step 3: Cross multiply
    9,725.85x = 13,421.13 × 5,747.33
  4. Step 4: Simplify right side
    9,725.85x = 77,135,675.08
  5. Step 5: Solve for x
    x = 77,135,675.08/9,725.85
  6. Step 6: Final answer
    x = 7,931.00

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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.