Home / 8,195.18-11,307.40-4,660.34

Finding the Fourth Proportional to 8,195.18, 11,307.40 and 4,660.34

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Solution

The fourth proportional to 8,195.18, 11,307.40 and 4,660.34 is: 6,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.18 : 11,307.40 = 4,660.34 : x
  2. Step 2: Convert to fraction form
    8,195.18/11,307.40 = 4,660.34/x
  3. Step 3: Cross multiply
    8,195.18x = 11,307.40 × 4,660.34
  4. Step 4: Simplify right side
    8,195.18x = 52,696,260.33
  5. Step 5: Solve for x
    x = 52,696,260.33/8,195.18
  6. Step 6: Final answer
    x = 6,430.16

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Half scale
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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.