Home / 7,405.39-11,102.59-4,483.03

Finding the Fourth Proportional to 7,405.39, 11,102.59 and 4,483.03

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Solution

The fourth proportional to 7,405.39, 11,102.59 and 4,483.03 is: 6,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.39 : 11,102.59 = 4,483.03 : x
  2. Step 2: Convert to fraction form
    7,405.39/11,102.59 = 4,483.03/x
  3. Step 3: Cross multiply
    7,405.39x = 11,102.59 × 4,483.03
  4. Step 4: Simplify right side
    7,405.39x = 49,773,244.05
  5. Step 5: Solve for x
    x = 49,773,244.05/7,405.39
  6. Step 6: Final answer
    x = 6,721.22

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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.