Home / 9,135.10-13,701.84-4,453.30

Finding the Fourth Proportional to 9,135.10, 13,701.84 and 4,453.30

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Solution

The fourth proportional to 9,135.10, 13,701.84 and 4,453.30 is: 6,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.10 : 13,701.84 = 4,453.30 : x
  2. Step 2: Convert to fraction form
    9,135.10/13,701.84 = 4,453.30/x
  3. Step 3: Cross multiply
    9,135.10x = 13,701.84 × 4,453.30
  4. Step 4: Simplify right side
    9,135.10x = 61,018,404.07
  5. Step 5: Solve for x
    x = 61,018,404.07/9,135.10
  6. Step 6: Final answer
    x = 6,679.56

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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.