Home / 10,106.54-15,149.88-4,840.05

Finding the Fourth Proportional to 10,106.54, 15,149.88 and 4,840.05

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Solution

The fourth proportional to 10,106.54, 15,149.88 and 4,840.05 is: 7,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.54 : 15,149.88 = 4,840.05 : x
  2. Step 2: Convert to fraction form
    10,106.54/15,149.88 = 4,840.05/x
  3. Step 3: Cross multiply
    10,106.54x = 15,149.88 × 4,840.05
  4. Step 4: Simplify right side
    10,106.54x = 73,326,176.69
  5. Step 5: Solve for x
    x = 73,326,176.69/10,106.54
  6. Step 6: Final answer
    x = 7,255.32

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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.