Home / 7,280.21-10,043.52-4,626.19

Finding the Fourth Proportional to 7,280.21, 10,043.52 and 4,626.19

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Solution

The fourth proportional to 7,280.21, 10,043.52 and 4,626.19 is: 6,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.21 : 10,043.52 = 4,626.19 : x
  2. Step 2: Convert to fraction form
    7,280.21/10,043.52 = 4,626.19/x
  3. Step 3: Cross multiply
    7,280.21x = 10,043.52 × 4,626.19
  4. Step 4: Simplify right side
    7,280.21x = 46,463,231.79
  5. Step 5: Solve for x
    x = 46,463,231.79/7,280.21
  6. Step 6: Final answer
    x = 6,382.13

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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.