Home / 9,354.19-12,910.20-5,818.54

Finding the Fourth Proportional to 9,354.19, 12,910.20 and 5,818.54

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Solution

The fourth proportional to 9,354.19, 12,910.20 and 5,818.54 is: 8,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.19 : 12,910.20 = 5,818.54 : x
  2. Step 2: Convert to fraction form
    9,354.19/12,910.20 = 5,818.54/x
  3. Step 3: Cross multiply
    9,354.19x = 12,910.20 × 5,818.54
  4. Step 4: Simplify right side
    9,354.19x = 75,118,515.11
  5. Step 5: Solve for x
    x = 75,118,515.11/9,354.19
  6. Step 6: Final answer
    x = 8,030.47

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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.