Home / 10,415.90-15,625.33-3,841.58

Finding the Fourth Proportional to 10,415.90, 15,625.33 and 3,841.58

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Solution

The fourth proportional to 10,415.90, 15,625.33 and 3,841.58 is: 5,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.90 : 15,625.33 = 3,841.58 : x
  2. Step 2: Convert to fraction form
    10,415.90/15,625.33 = 3,841.58/x
  3. Step 3: Cross multiply
    10,415.90x = 15,625.33 × 3,841.58
  4. Step 4: Simplify right side
    10,415.90x = 60,025,955.22
  5. Step 5: Solve for x
    x = 60,025,955.22/10,415.90
  6. Step 6: Final answer
    x = 5,762.92

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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.