Home / 8,161.61-11,263.51-4,803.65

Finding the Fourth Proportional to 8,161.61, 11,263.51 and 4,803.65

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Solution

The fourth proportional to 8,161.61, 11,263.51 and 4,803.65 is: 6,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.61 : 11,263.51 = 4,803.65 : x
  2. Step 2: Convert to fraction form
    8,161.61/11,263.51 = 4,803.65/x
  3. Step 3: Cross multiply
    8,161.61x = 11,263.51 × 4,803.65
  4. Step 4: Simplify right side
    8,161.61x = 54,105,988.07
  5. Step 5: Solve for x
    x = 54,105,988.07/8,161.61
  6. Step 6: Final answer
    x = 6,629.33

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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.