Home / 8,322.40-11,484.92-4,545.60

Finding the Fourth Proportional to 8,322.40, 11,484.92 and 4,545.60

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Solution

The fourth proportional to 8,322.40, 11,484.92 and 4,545.60 is: 6,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.40 : 11,484.92 = 4,545.60 : x
  2. Step 2: Convert to fraction form
    8,322.40/11,484.92 = 4,545.60/x
  3. Step 3: Cross multiply
    8,322.40x = 11,484.92 × 4,545.60
  4. Step 4: Simplify right side
    8,322.40x = 52,205,852.35
  5. Step 5: Solve for x
    x = 52,205,852.35/8,322.40
  6. Step 6: Final answer
    x = 6,272.93

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Half 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.