Home / 8,214.76-11,336.40-4,677.96

Finding the Fourth Proportional to 8,214.76, 11,336.40 and 4,677.96

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Solution

The fourth proportional to 8,214.76, 11,336.40 and 4,677.96 is: 6,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.76 : 11,336.40 = 4,677.96 : x
  2. Step 2: Convert to fraction form
    8,214.76/11,336.40 = 4,677.96/x
  3. Step 3: Cross multiply
    8,214.76x = 11,336.40 × 4,677.96
  4. Step 4: Simplify right side
    8,214.76x = 53,031,225.74
  5. Step 5: Solve for x
    x = 53,031,225.74/8,214.76
  6. Step 6: Final answer
    x = 6,455.60

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Half scale
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Double scale
Find fourth proportional to 8,215.76, 11,337.78 and 4,678.96
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.