Home / 8,629.50-11,908.71-4,904.22

Finding the Fourth Proportional to 8,629.50, 11,908.71 and 4,904.22

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Solution

The fourth proportional to 8,629.50, 11,908.71 and 4,904.22 is: 6,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.50 : 11,908.71 = 4,904.22 : x
  2. Step 2: Convert to fraction form
    8,629.50/11,908.71 = 4,904.22/x
  3. Step 3: Cross multiply
    8,629.50x = 11,908.71 × 4,904.22
  4. Step 4: Simplify right side
    8,629.50x = 58,402,933.76
  5. Step 5: Solve for x
    x = 58,402,933.76/8,629.50
  6. Step 6: Final answer
    x = 6,767.82

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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.