Home / 9,328.82-12,873.73-5,137.07

Finding the Fourth Proportional to 9,328.82, 12,873.73 and 5,137.07

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Solution

The fourth proportional to 9,328.82, 12,873.73 and 5,137.07 is: 7,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.82 : 12,873.73 = 5,137.07 : x
  2. Step 2: Convert to fraction form
    9,328.82/12,873.73 = 5,137.07/x
  3. Step 3: Cross multiply
    9,328.82x = 12,873.73 × 5,137.07
  4. Step 4: Simplify right side
    9,328.82x = 66,133,252.17
  5. Step 5: Solve for x
    x = 66,133,252.17/9,328.82
  6. Step 6: Final answer
    x = 7,089.13

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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.