Home / 7,991.24-11,024.64-5,303.72

Finding the Fourth Proportional to 7,991.24, 11,024.64 and 5,303.72

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Solution

The fourth proportional to 7,991.24, 11,024.64 and 5,303.72 is: 7,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.24 : 11,024.64 = 5,303.72 : x
  2. Step 2: Convert to fraction form
    7,991.24/11,024.64 = 5,303.72/x
  3. Step 3: Cross multiply
    7,991.24x = 11,024.64 × 5,303.72
  4. Step 4: Simplify right side
    7,991.24x = 58,471,603.66
  5. Step 5: Solve for x
    x = 58,471,603.66/7,991.24
  6. Step 6: Final answer
    x = 7,316.96

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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.