Home / 10,078.35-13,907.53-5,601.95

Finding the Fourth Proportional to 10,078.35, 13,907.53 and 5,601.95

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Solution

The fourth proportional to 10,078.35, 13,907.53 and 5,601.95 is: 7,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.35 : 13,907.53 = 5,601.95 : x
  2. Step 2: Convert to fraction form
    10,078.35/13,907.53 = 5,601.95/x
  3. Step 3: Cross multiply
    10,078.35x = 13,907.53 × 5,601.95
  4. Step 4: Simplify right side
    10,078.35x = 77,909,287.68
  5. Step 5: Solve for x
    x = 77,909,287.68/10,078.35
  6. Step 6: Final answer
    x = 7,730.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.