Home / 9,767.40-13,501.15-8,992.36

Finding the Fourth Proportional to 9,767.40, 13,501.15 and 8,992.36

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Solution

The fourth proportional to 9,767.40, 13,501.15 and 8,992.36 is: 12,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.40 : 13,501.15 = 8,992.36 : x
  2. Step 2: Convert to fraction form
    9,767.40/13,501.15 = 8,992.36/x
  3. Step 3: Cross multiply
    9,767.40x = 13,501.15 × 8,992.36
  4. Step 4: Simplify right side
    9,767.40x = 121,407,195.61
  5. Step 5: Solve for x
    x = 121,407,195.61/9,767.40
  6. Step 6: Final answer
    x = 12,429.84

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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.