Home / 7,783.05-10,740.49-4,246.19

Finding the Fourth Proportional to 7,783.05, 10,740.49 and 4,246.19

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Solution

The fourth proportional to 7,783.05, 10,740.49 and 4,246.19 is: 5,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.05 : 10,740.49 = 4,246.19 : x
  2. Step 2: Convert to fraction form
    7,783.05/10,740.49 = 4,246.19/x
  3. Step 3: Cross multiply
    7,783.05x = 10,740.49 × 4,246.19
  4. Step 4: Simplify right side
    7,783.05x = 45,606,161.23
  5. Step 5: Solve for x
    x = 45,606,161.23/7,783.05
  6. Step 6: Final answer
    x = 5,859.68

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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.