Home / 9,075.12-13,613.55-3,528.90

Finding the Fourth Proportional to 9,075.12, 13,613.55 and 3,528.90

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Solution

The fourth proportional to 9,075.12, 13,613.55 and 3,528.90 is: 5,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.12 : 13,613.55 = 3,528.90 : x
  2. Step 2: Convert to fraction form
    9,075.12/13,613.55 = 3,528.90/x
  3. Step 3: Cross multiply
    9,075.12x = 13,613.55 × 3,528.90
  4. Step 4: Simplify right side
    9,075.12x = 48,040,856.60
  5. Step 5: Solve for x
    x = 48,040,856.60/9,075.12
  6. Step 6: Final answer
    x = 5,293.69

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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.