Home / 9,983.28-13,770.36-5,788.56

Finding the Fourth Proportional to 9,983.28, 13,770.36 and 5,788.56

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Solution

The fourth proportional to 9,983.28, 13,770.36 and 5,788.56 is: 7,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.28 : 13,770.36 = 5,788.56 : x
  2. Step 2: Convert to fraction form
    9,983.28/13,770.36 = 5,788.56/x
  3. Step 3: Cross multiply
    9,983.28x = 13,770.36 × 5,788.56
  4. Step 4: Simplify right side
    9,983.28x = 79,710,555.08
  5. Step 5: Solve for x
    x = 79,710,555.08/9,983.28
  6. Step 6: Final answer
    x = 7,984.41

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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.