Home / 9,002.90-13,485.38-5,869.01

Finding the Fourth Proportional to 9,002.90, 13,485.38 and 5,869.01

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Solution

The fourth proportional to 9,002.90, 13,485.38 and 5,869.01 is: 8,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.90 : 13,485.38 = 5,869.01 : x
  2. Step 2: Convert to fraction form
    9,002.90/13,485.38 = 5,869.01/x
  3. Step 3: Cross multiply
    9,002.90x = 13,485.38 × 5,869.01
  4. Step 4: Simplify right side
    9,002.90x = 79,145,834.44
  5. Step 5: Solve for x
    x = 79,145,834.44/9,002.90
  6. Step 6: Final answer
    x = 8,791.15

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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.