Home / 9,983.42-13,777.13-5,507.17

Finding the Fourth Proportional to 9,983.42, 13,777.13 and 5,507.17

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Solution

The fourth proportional to 9,983.42, 13,777.13 and 5,507.17 is: 7,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.42 : 13,777.13 = 5,507.17 : x
  2. Step 2: Convert to fraction form
    9,983.42/13,777.13 = 5,507.17/x
  3. Step 3: Cross multiply
    9,983.42x = 13,777.13 × 5,507.17
  4. Step 4: Simplify right side
    9,983.42x = 75,872,935.04
  5. Step 5: Solve for x
    x = 75,872,935.04/9,983.42
  6. Step 6: Final answer
    x = 7,599.90

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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.