Home / 8,300.61-11,453.77-5,316.73

Finding the Fourth Proportional to 8,300.61, 11,453.77 and 5,316.73

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Solution

The fourth proportional to 8,300.61, 11,453.77 and 5,316.73 is: 7,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.61 : 11,453.77 = 5,316.73 : x
  2. Step 2: Convert to fraction form
    8,300.61/11,453.77 = 5,316.73/x
  3. Step 3: Cross multiply
    8,300.61x = 11,453.77 × 5,316.73
  4. Step 4: Simplify right side
    8,300.61x = 60,896,602.57
  5. Step 5: Solve for x
    x = 60,896,602.57/8,300.61
  6. Step 6: Final answer
    x = 7,336.40

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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.