Home / 9,347.24-12,891.86-5,990.36

Finding the Fourth Proportional to 9,347.24, 12,891.86 and 5,990.36

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Solution

The fourth proportional to 9,347.24, 12,891.86 and 5,990.36 is: 8,261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,347.24 : 12,891.86 = 5,990.36 : x
  2. Step 2: Convert to fraction form
    9,347.24/12,891.86 = 5,990.36/x
  3. Step 3: Cross multiply
    9,347.24x = 12,891.86 × 5,990.36
  4. Step 4: Simplify right side
    9,347.24x = 77,226,788.06
  5. Step 5: Solve for x
    x = 77,226,788.06/9,347.24
  6. Step 6: Final answer
    x = 8,261.99

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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.