Home / 10,709.21-14,778.77-5,993.20

Finding the Fourth Proportional to 10,709.21, 14,778.77 and 5,993.20

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Solution

The fourth proportional to 10,709.21, 14,778.77 and 5,993.20 is: 8,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.21 : 14,778.77 = 5,993.20 : x
  2. Step 2: Convert to fraction form
    10,709.21/14,778.77 = 5,993.20/x
  3. Step 3: Cross multiply
    10,709.21x = 14,778.77 × 5,993.20
  4. Step 4: Simplify right side
    10,709.21x = 88,572,020.50
  5. Step 5: Solve for x
    x = 88,572,020.50/10,709.21
  6. Step 6: Final answer
    x = 8,270.64

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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.