Home / 9,977.99-13,769.36-5,501.76

Finding the Fourth Proportional to 9,977.99, 13,769.36 and 5,501.76

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Solution

The fourth proportional to 9,977.99, 13,769.36 and 5,501.76 is: 7,592.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.99 : 13,769.36 = 5,501.76 : x
  2. Step 2: Convert to fraction form
    9,977.99/13,769.36 = 5,501.76/x
  3. Step 3: Cross multiply
    9,977.99x = 13,769.36 × 5,501.76
  4. Step 4: Simplify right side
    9,977.99x = 75,755,655.56
  5. Step 5: Solve for x
    x = 75,755,655.56/9,977.99
  6. Step 6: Final answer
    x = 7,592.28

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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.