Home / 7,427.12-10,249.13-4,441.17

Finding the Fourth Proportional to 7,427.12, 10,249.13 and 4,441.17

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Solution

The fourth proportional to 7,427.12, 10,249.13 and 4,441.17 is: 6,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.12 : 10,249.13 = 4,441.17 : x
  2. Step 2: Convert to fraction form
    7,427.12/10,249.13 = 4,441.17/x
  3. Step 3: Cross multiply
    7,427.12x = 10,249.13 × 4,441.17
  4. Step 4: Simplify right side
    7,427.12x = 45,518,106.48
  5. Step 5: Solve for x
    x = 45,518,106.48/7,427.12
  6. Step 6: Final answer
    x = 6,128.64

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Half scale
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Find fourth proportional to 7,428.12, 10,250.50 and 4,442.17
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.