Home / 9,155.04-13,725-4,220.52

Finding the Fourth Proportional to 9,155.04, 13,725 and 4,220.52

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Solution

The fourth proportional to 9,155.04, 13,725 and 4,220.52 is: 6,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.04 : 13,725 = 4,220.52 : x
  2. Step 2: Convert to fraction form
    9,155.04/13,725 = 4,220.52/x
  3. Step 3: Cross multiply
    9,155.04x = 13,725 × 4,220.52
  4. Step 4: Simplify right side
    9,155.04x = 57,926,637.00
  5. Step 5: Solve for x
    x = 57,926,637.00/9,155.04
  6. Step 6: Final answer
    x = 6,327.29

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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.