Home / 10,133.12-13,984.00-5,656.79

Finding the Fourth Proportional to 10,133.12, 13,984.00 and 5,656.79

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Solution

The fourth proportional to 10,133.12, 13,984.00 and 5,656.79 is: 7,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.12 : 13,984.00 = 5,656.79 : x
  2. Step 2: Convert to fraction form
    10,133.12/13,984.00 = 5,656.79/x
  3. Step 3: Cross multiply
    10,133.12x = 13,984.00 × 5,656.79
  4. Step 4: Simplify right side
    10,133.12x = 79,104,572.18
  5. Step 5: Solve for x
    x = 79,104,572.18/10,133.12
  6. Step 6: Final answer
    x = 7,806.53

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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.