Home / 10,012.52-15,018.77-4,092.19

Finding the Fourth Proportional to 10,012.52, 15,018.77 and 4,092.19

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Solution

The fourth proportional to 10,012.52, 15,018.77 and 4,092.19 is: 6,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.52 : 15,018.77 = 4,092.19 : x
  2. Step 2: Convert to fraction form
    10,012.52/15,018.77 = 4,092.19/x
  3. Step 3: Cross multiply
    10,012.52x = 15,018.77 × 4,092.19
  4. Step 4: Simplify right side
    10,012.52x = 61,459,602.40
  5. Step 5: Solve for x
    x = 61,459,602.40/10,012.52
  6. Step 6: Final answer
    x = 6,138.27

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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.