Home / 7,561.95-11,345.23-3,866.77

Finding the Fourth Proportional to 7,561.95, 11,345.23 and 3,866.77

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Solution

The fourth proportional to 7,561.95, 11,345.23 and 3,866.77 is: 5,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.95 : 11,345.23 = 3,866.77 : x
  2. Step 2: Convert to fraction form
    7,561.95/11,345.23 = 3,866.77/x
  3. Step 3: Cross multiply
    7,561.95x = 11,345.23 × 3,866.77
  4. Step 4: Simplify right side
    7,561.95x = 43,869,395.01
  5. Step 5: Solve for x
    x = 43,869,395.01/7,561.95
  6. Step 6: Final answer
    x = 5,801.33

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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.