Home / 9,775.24-13,491.64-5,583.49

Finding the Fourth Proportional to 9,775.24, 13,491.64 and 5,583.49

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Solution

The fourth proportional to 9,775.24, 13,491.64 and 5,583.49 is: 7,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.24 : 13,491.64 = 5,583.49 : x
  2. Step 2: Convert to fraction form
    9,775.24/13,491.64 = 5,583.49/x
  3. Step 3: Cross multiply
    9,775.24x = 13,491.64 × 5,583.49
  4. Step 4: Simplify right side
    9,775.24x = 75,330,437.02
  5. Step 5: Solve for x
    x = 75,330,437.02/9,775.24
  6. Step 6: Final answer
    x = 7,706.25

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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.