Home / 7,409.36-10,222.52-5,285.24

Finding the Fourth Proportional to 7,409.36, 10,222.52 and 5,285.24

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Solution

The fourth proportional to 7,409.36, 10,222.52 and 5,285.24 is: 7,291.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.36 : 10,222.52 = 5,285.24 : x
  2. Step 2: Convert to fraction form
    7,409.36/10,222.52 = 5,285.24/x
  3. Step 3: Cross multiply
    7,409.36x = 10,222.52 × 5,285.24
  4. Step 4: Simplify right side
    7,409.36x = 54,028,471.60
  5. Step 5: Solve for x
    x = 54,028,471.60/7,409.36
  6. Step 6: Final answer
    x = 7,291.92

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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.