Home / 8,436.01-11,641.76-4,659.07

Finding the Fourth Proportional to 8,436.01, 11,641.76 and 4,659.07

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Solution

The fourth proportional to 8,436.01, 11,641.76 and 4,659.07 is: 6,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.01 : 11,641.76 = 4,659.07 : x
  2. Step 2: Convert to fraction form
    8,436.01/11,641.76 = 4,659.07/x
  3. Step 3: Cross multiply
    8,436.01x = 11,641.76 × 4,659.07
  4. Step 4: Simplify right side
    8,436.01x = 54,239,751.47
  5. Step 5: Solve for x
    x = 54,239,751.47/8,436.01
  6. Step 6: Final answer
    x = 6,429.55

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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.