Home / 8,084.10-12,126.15-3,698.49

Finding the Fourth Proportional to 8,084.10, 12,126.15 and 3,698.49

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Solution

The fourth proportional to 8,084.10, 12,126.15 and 3,698.49 is: 5,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.10 : 12,126.15 = 3,698.49 : x
  2. Step 2: Convert to fraction form
    8,084.10/12,126.15 = 3,698.49/x
  3. Step 3: Cross multiply
    8,084.10x = 12,126.15 × 3,698.49
  4. Step 4: Simplify right side
    8,084.10x = 44,848,444.51
  5. Step 5: Solve for x
    x = 44,848,444.51/8,084.10
  6. Step 6: Final answer
    x = 5,547.74

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Half scale
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Double scale
Find fourth proportional to 8,085.10, 12,127.65 and 3,699.49
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.