Home / 9,296.70-13,932.38-5,130.50

Finding the Fourth Proportional to 9,296.70, 13,932.38 and 5,130.50

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Solution

The fourth proportional to 9,296.70, 13,932.38 and 5,130.50 is: 7,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,296.70 : 13,932.38 = 5,130.50 : x
  2. Step 2: Convert to fraction form
    9,296.70/13,932.38 = 5,130.50/x
  3. Step 3: Cross multiply
    9,296.70x = 13,932.38 × 5,130.50
  4. Step 4: Simplify right side
    9,296.70x = 71,480,075.59
  5. Step 5: Solve for x
    x = 71,480,075.59/9,296.70
  6. Step 6: Final answer
    x = 7,688.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.