Home / 7,440.19-10,269.32-4,298.20

Finding the Fourth Proportional to 7,440.19, 10,269.32 and 4,298.20

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Solution

The fourth proportional to 7,440.19, 10,269.32 and 4,298.20 is: 5,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.19 : 10,269.32 = 4,298.20 : x
  2. Step 2: Convert to fraction form
    7,440.19/10,269.32 = 4,298.20/x
  3. Step 3: Cross multiply
    7,440.19x = 10,269.32 × 4,298.20
  4. Step 4: Simplify right side
    7,440.19x = 44,139,544.06
  5. Step 5: Solve for x
    x = 44,139,544.06/7,440.19
  6. Step 6: Final answer
    x = 5,932.58

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Half scale
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Double scale
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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.