Home / 11,292.42-15,585.36-7,325.07

Finding the Fourth Proportional to 11,292.42, 15,585.36 and 7,325.07

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Solution

The fourth proportional to 11,292.42, 15,585.36 and 7,325.07 is: 10,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.42 : 15,585.36 = 7,325.07 : x
  2. Step 2: Convert to fraction form
    11,292.42/15,585.36 = 7,325.07/x
  3. Step 3: Cross multiply
    11,292.42x = 15,585.36 × 7,325.07
  4. Step 4: Simplify right side
    11,292.42x = 114,163,852.98
  5. Step 5: Solve for x
    x = 114,163,852.98/11,292.42
  6. Step 6: Final answer
    x = 10,109.78

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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.