Home / 7,311.66-10,089.47-4,326.98

Finding the Fourth Proportional to 7,311.66, 10,089.47 and 4,326.98

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Solution

The fourth proportional to 7,311.66, 10,089.47 and 4,326.98 is: 5,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.66 : 10,089.47 = 4,326.98 : x
  2. Step 2: Convert to fraction form
    7,311.66/10,089.47 = 4,326.98/x
  3. Step 3: Cross multiply
    7,311.66x = 10,089.47 × 4,326.98
  4. Step 4: Simplify right side
    7,311.66x = 43,656,862.82
  5. Step 5: Solve for x
    x = 43,656,862.82/7,311.66
  6. Step 6: Final answer
    x = 5,970.86

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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.