Home / 8,625.78-11,899.08-5,437.35

Finding the Fourth Proportional to 8,625.78, 11,899.08 and 5,437.35

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Solution

The fourth proportional to 8,625.78, 11,899.08 and 5,437.35 is: 7,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.78 : 11,899.08 = 5,437.35 : x
  2. Step 2: Convert to fraction form
    8,625.78/11,899.08 = 5,437.35/x
  3. Step 3: Cross multiply
    8,625.78x = 11,899.08 × 5,437.35
  4. Step 4: Simplify right side
    8,625.78x = 64,699,462.64
  5. Step 5: Solve for x
    x = 64,699,462.64/8,625.78
  6. Step 6: Final answer
    x = 7,500.71

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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.