Home / 7,975.55-11,006.21-4,618.37

Finding the Fourth Proportional to 7,975.55, 11,006.21 and 4,618.37

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Solution

The fourth proportional to 7,975.55, 11,006.21 and 4,618.37 is: 6,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.55 : 11,006.21 = 4,618.37 : x
  2. Step 2: Convert to fraction form
    7,975.55/11,006.21 = 4,618.37/x
  3. Step 3: Cross multiply
    7,975.55x = 11,006.21 × 4,618.37
  4. Step 4: Simplify right side
    7,975.55x = 50,830,726.99
  5. Step 5: Solve for x
    x = 50,830,726.99/7,975.55
  6. Step 6: Final answer
    x = 6,373.32

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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.