Home / 8,841.84-12,190.68-7,436.40

Finding the Fourth Proportional to 8,841.84, 12,190.68 and 7,436.40

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Solution

The fourth proportional to 8,841.84, 12,190.68 and 7,436.40 is: 10,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.84 : 12,190.68 = 7,436.40 : x
  2. Step 2: Convert to fraction form
    8,841.84/12,190.68 = 7,436.40/x
  3. Step 3: Cross multiply
    8,841.84x = 12,190.68 × 7,436.40
  4. Step 4: Simplify right side
    8,841.84x = 90,654,772.75
  5. Step 5: Solve for x
    x = 90,654,772.75/8,841.84
  6. Step 6: Final answer
    x = 10,252.93

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Half scale
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Double scale
Find fourth proportional to 8,842.84, 12,192.06 and 7,437.40
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.