Home / 9,045.60-13,567.92-2,889.12

Finding the Fourth Proportional to 9,045.60, 13,567.92 and 2,889.12

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Solution

The fourth proportional to 9,045.60, 13,567.92 and 2,889.12 is: 4,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.60 : 13,567.92 = 2,889.12 : x
  2. Step 2: Convert to fraction form
    9,045.60/13,567.92 = 2,889.12/x
  3. Step 3: Cross multiply
    9,045.60x = 13,567.92 × 2,889.12
  4. Step 4: Simplify right side
    9,045.60x = 39,199,349.03
  5. Step 5: Solve for x
    x = 39,199,349.03/9,045.60
  6. Step 6: Final answer
    x = 4,333.53

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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.