Home / 9,155.04-13,739.24-3,312.08

Finding the Fourth Proportional to 9,155.04, 13,739.24 and 3,312.08

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Solution

The fourth proportional to 9,155.04, 13,739.24 and 3,312.08 is: 4,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.04 : 13,739.24 = 3,312.08 : x
  2. Step 2: Convert to fraction form
    9,155.04/13,739.24 = 3,312.08/x
  3. Step 3: Cross multiply
    9,155.04x = 13,739.24 × 3,312.08
  4. Step 4: Simplify right side
    9,155.04x = 45,505,462.02
  5. Step 5: Solve for x
    x = 45,505,462.02/9,155.04
  6. Step 6: Final answer
    x = 4,970.54

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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.