Home / 8,119.88-11,206.53-4,763.51

Finding the Fourth Proportional to 8,119.88, 11,206.53 and 4,763.51

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Solution

The fourth proportional to 8,119.88, 11,206.53 and 4,763.51 is: 6,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.88 : 11,206.53 = 4,763.51 : x
  2. Step 2: Convert to fraction form
    8,119.88/11,206.53 = 4,763.51/x
  3. Step 3: Cross multiply
    8,119.88x = 11,206.53 × 4,763.51
  4. Step 4: Simplify right side
    8,119.88x = 53,382,417.72
  5. Step 5: Solve for x
    x = 53,382,417.72/8,119.88
  6. Step 6: Final answer
    x = 6,574.29

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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.