Home / 9,965.72-13,746.30-5,988.08

Finding the Fourth Proportional to 9,965.72, 13,746.30 and 5,988.08

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Solution

The fourth proportional to 9,965.72, 13,746.30 and 5,988.08 is: 8,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965.72 : 13,746.30 = 5,988.08 : x
  2. Step 2: Convert to fraction form
    9,965.72/13,746.30 = 5,988.08/x
  3. Step 3: Cross multiply
    9,965.72x = 13,746.30 × 5,988.08
  4. Step 4: Simplify right side
    9,965.72x = 82,313,944.10
  5. Step 5: Solve for x
    x = 82,313,944.10/9,965.72
  6. Step 6: Final answer
    x = 8,259.71

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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.