Home / 7,510.99-11,264.05-4,390.87

Finding the Fourth Proportional to 7,510.99, 11,264.05 and 4,390.87

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Solution

The fourth proportional to 7,510.99, 11,264.05 and 4,390.87 is: 6,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.99 : 11,264.05 = 4,390.87 : x
  2. Step 2: Convert to fraction form
    7,510.99/11,264.05 = 4,390.87/x
  3. Step 3: Cross multiply
    7,510.99x = 11,264.05 × 4,390.87
  4. Step 4: Simplify right side
    7,510.99x = 49,458,979.22
  5. Step 5: Solve for x
    x = 49,458,979.22/7,510.99
  6. Step 6: Final answer
    x = 6,584.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.