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Finding the Fourth Proportional to 8,307.34, 11,464.05 and 4,530.40

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Solution

The fourth proportional to 8,307.34, 11,464.05 and 4,530.40 is: 6,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.34 : 11,464.05 = 4,530.40 : x
  2. Step 2: Convert to fraction form
    8,307.34/11,464.05 = 4,530.40/x
  3. Step 3: Cross multiply
    8,307.34x = 11,464.05 × 4,530.40
  4. Step 4: Simplify right side
    8,307.34x = 51,936,732.12
  5. Step 5: Solve for x
    x = 51,936,732.12/8,307.34
  6. Step 6: Final answer
    x = 6,251.91

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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.