Home / 7,525.11-10,376.60-6,409.83

Finding the Fourth Proportional to 7,525.11, 10,376.60 and 6,409.83

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Solution

The fourth proportional to 7,525.11, 10,376.60 and 6,409.83 is: 8,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.11 : 10,376.60 = 6,409.83 : x
  2. Step 2: Convert to fraction form
    7,525.11/10,376.60 = 6,409.83/x
  3. Step 3: Cross multiply
    7,525.11x = 10,376.60 × 6,409.83
  4. Step 4: Simplify right side
    7,525.11x = 66,512,209.93
  5. Step 5: Solve for x
    x = 66,512,209.93/7,525.11
  6. Step 6: Final answer
    x = 8,838.70

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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.