Home / 11,790.77-17,767.35-9,756.65

Finding the Fourth Proportional to 11,790.77, 17,767.35 and 9,756.65

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Solution

The fourth proportional to 11,790.77, 17,767.35 and 9,756.65 is: 14,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.77 : 17,767.35 = 9,756.65 : x
  2. Step 2: Convert to fraction form
    11,790.77/17,767.35 = 9,756.65/x
  3. Step 3: Cross multiply
    11,790.77x = 17,767.35 × 9,756.65
  4. Step 4: Simplify right side
    11,790.77x = 173,349,859.80
  5. Step 5: Solve for x
    x = 173,349,859.80/11,790.77
  6. Step 6: Final answer
    x = 14,702.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.