Home / 7,999.14-11,037.49-4,642.23

Finding the Fourth Proportional to 7,999.14, 11,037.49 and 4,642.23

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Solution

The fourth proportional to 7,999.14, 11,037.49 and 4,642.23 is: 6,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.14 : 11,037.49 = 4,642.23 : x
  2. Step 2: Convert to fraction form
    7,999.14/11,037.49 = 4,642.23/x
  3. Step 3: Cross multiply
    7,999.14x = 11,037.49 × 4,642.23
  4. Step 4: Simplify right side
    7,999.14x = 51,238,567.20
  5. Step 5: Solve for x
    x = 51,238,567.20/7,999.14
  6. Step 6: Final answer
    x = 6,405.51

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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.