Home / 8,436.66-11,642.59-4,900.55

Finding the Fourth Proportional to 8,436.66, 11,642.59 and 4,900.55

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Solution

The fourth proportional to 8,436.66, 11,642.59 and 4,900.55 is: 6,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.66 : 11,642.59 = 4,900.55 : x
  2. Step 2: Convert to fraction form
    8,436.66/11,642.59 = 4,900.55/x
  3. Step 3: Cross multiply
    8,436.66x = 11,642.59 × 4,900.55
  4. Step 4: Simplify right side
    8,436.66x = 57,055,080.26
  5. Step 5: Solve for x
    x = 57,055,080.26/8,436.66
  6. Step 6: Final answer
    x = 6,762.76

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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.