Home / 8,190.69-11,303.33-4,605.72

Finding the Fourth Proportional to 8,190.69, 11,303.33 and 4,605.72

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Solution

The fourth proportional to 8,190.69, 11,303.33 and 4,605.72 is: 6,355.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.69 : 11,303.33 = 4,605.72 : x
  2. Step 2: Convert to fraction form
    8,190.69/11,303.33 = 4,605.72/x
  3. Step 3: Cross multiply
    8,190.69x = 11,303.33 × 4,605.72
  4. Step 4: Simplify right side
    8,190.69x = 52,059,950.02
  5. Step 5: Solve for x
    x = 52,059,950.02/8,190.69
  6. Step 6: Final answer
    x = 6,355.99

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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.