Home / 7,774.52-11,665.22-4,075.86

Finding the Fourth Proportional to 7,774.52, 11,665.22 and 4,075.86

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Solution

The fourth proportional to 7,774.52, 11,665.22 and 4,075.86 is: 6,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.52 : 11,665.22 = 4,075.86 : x
  2. Step 2: Convert to fraction form
    7,774.52/11,665.22 = 4,075.86/x
  3. Step 3: Cross multiply
    7,774.52x = 11,665.22 × 4,075.86
  4. Step 4: Simplify right side
    7,774.52x = 47,545,783.21
  5. Step 5: Solve for x
    x = 47,545,783.21/7,774.52
  6. Step 6: Final answer
    x = 6,115.59

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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.