Home / 10,025.57-15,030.25-4,186.55

Finding the Fourth Proportional to 10,025.57, 15,030.25 and 4,186.55

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Solution

The fourth proportional to 10,025.57, 15,030.25 and 4,186.55 is: 6,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.57 : 15,030.25 = 4,186.55 : x
  2. Step 2: Convert to fraction form
    10,025.57/15,030.25 = 4,186.55/x
  3. Step 3: Cross multiply
    10,025.57x = 15,030.25 × 4,186.55
  4. Step 4: Simplify right side
    10,025.57x = 62,924,893.14
  5. Step 5: Solve for x
    x = 62,924,893.14/10,025.57
  6. Step 6: Final answer
    x = 6,276.44

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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.