Home / 7,579.24-11,409.13-5,403.04

Finding the Fourth Proportional to 7,579.24, 11,409.13 and 5,403.04

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Solution

The fourth proportional to 7,579.24, 11,409.13 and 5,403.04 is: 8,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.24 : 11,409.13 = 5,403.04 : x
  2. Step 2: Convert to fraction form
    7,579.24/11,409.13 = 5,403.04/x
  3. Step 3: Cross multiply
    7,579.24x = 11,409.13 × 5,403.04
  4. Step 4: Simplify right side
    7,579.24x = 61,643,985.76
  5. Step 5: Solve for x
    x = 61,643,985.76/7,579.24
  6. Step 6: Final answer
    x = 8,133.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.