Home / 8,287.45-11,436.46-4,510.69

Finding the Fourth Proportional to 8,287.45, 11,436.46 and 4,510.69

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Solution

The fourth proportional to 8,287.45, 11,436.46 and 4,510.69 is: 6,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.45 : 11,436.46 = 4,510.69 : x
  2. Step 2: Convert to fraction form
    8,287.45/11,436.46 = 4,510.69/x
  3. Step 3: Cross multiply
    8,287.45x = 11,436.46 × 4,510.69
  4. Step 4: Simplify right side
    8,287.45x = 51,586,325.76
  5. Step 5: Solve for x
    x = 51,586,325.76/8,287.45
  6. Step 6: Final answer
    x = 6,224.63

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Half scale
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Double scale
Find fourth proportional to 8,288.45, 11,437.84 and 4,511.69
Similar ratio
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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.