Home / 9,983.14-13,776.75-5,507.18

Finding the Fourth Proportional to 9,983.14, 13,776.75 and 5,507.18

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Solution

The fourth proportional to 9,983.14, 13,776.75 and 5,507.18 is: 7,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.14 : 13,776.75 = 5,507.18 : x
  2. Step 2: Convert to fraction form
    9,983.14/13,776.75 = 5,507.18/x
  3. Step 3: Cross multiply
    9,983.14x = 13,776.75 × 5,507.18
  4. Step 4: Simplify right side
    9,983.14x = 75,871,042.07
  5. Step 5: Solve for x
    x = 75,871,042.07/9,983.14
  6. Step 6: Final answer
    x = 7,599.92

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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.