Home / 9,983.17-13,772.32-5,788.99

Finding the Fourth Proportional to 9,983.17, 13,772.32 and 5,788.99

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Solution

The fourth proportional to 9,983.17, 13,772.32 and 5,788.99 is: 7,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.17 : 13,772.32 = 5,788.99 : x
  2. Step 2: Convert to fraction form
    9,983.17/13,772.32 = 5,788.99/x
  3. Step 3: Cross multiply
    9,983.17x = 13,772.32 × 5,788.99
  4. Step 4: Simplify right side
    9,983.17x = 79,727,822.76
  5. Step 5: Solve for x
    x = 79,727,822.76/9,983.17
  6. Step 6: Final answer
    x = 7,986.22

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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.