Home / 8,089.61-11,161.81-4,551.53

Finding the Fourth Proportional to 8,089.61, 11,161.81 and 4,551.53

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Solution

The fourth proportional to 8,089.61, 11,161.81 and 4,551.53 is: 6,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.61 : 11,161.81 = 4,551.53 : x
  2. Step 2: Convert to fraction form
    8,089.61/11,161.81 = 4,551.53/x
  3. Step 3: Cross multiply
    8,089.61x = 11,161.81 × 4,551.53
  4. Step 4: Simplify right side
    8,089.61x = 50,803,313.07
  5. Step 5: Solve for x
    x = 50,803,313.07/8,089.61
  6. Step 6: Final answer
    x = 6,280.07

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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.