Home / 10,025.48-15,038.76-3,100.52

Finding the Fourth Proportional to 10,025.48, 15,038.76 and 3,100.52

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Solution

The fourth proportional to 10,025.48, 15,038.76 and 3,100.52 is: 4,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.48 : 15,038.76 = 3,100.52 : x
  2. Step 2: Convert to fraction form
    10,025.48/15,038.76 = 3,100.52/x
  3. Step 3: Cross multiply
    10,025.48x = 15,038.76 × 3,100.52
  4. Step 4: Simplify right side
    10,025.48x = 46,627,976.16
  5. Step 5: Solve for x
    x = 46,627,976.16/10,025.48
  6. Step 6: Final answer
    x = 4,650.95

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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.