Home / 10,025.57-15,038.36-3,100.07

Finding the Fourth Proportional to 10,025.57, 15,038.36 and 3,100.07

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Solution

The fourth proportional to 10,025.57, 15,038.36 and 3,100.07 is: 4,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.57 : 15,038.36 = 3,100.07 : x
  2. Step 2: Convert to fraction form
    10,025.57/15,038.36 = 3,100.07/x
  3. Step 3: Cross multiply
    10,025.57x = 15,038.36 × 3,100.07
  4. Step 4: Simplify right side
    10,025.57x = 46,619,953.18
  5. Step 5: Solve for x
    x = 46,619,953.18/10,025.57
  6. Step 6: Final answer
    x = 4,650.11

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Half scale
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Double scale
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Similar ratio
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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.