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Finding the Fourth Proportional to 8,330.16, 11,498.52 and 5,354.16

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Solution

The fourth proportional to 8,330.16, 11,498.52 and 5,354.16 is: 7,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.16 : 11,498.52 = 5,354.16 : x
  2. Step 2: Convert to fraction form
    8,330.16/11,498.52 = 5,354.16/x
  3. Step 3: Cross multiply
    8,330.16x = 11,498.52 × 5,354.16
  4. Step 4: Simplify right side
    8,330.16x = 61,564,915.84
  5. Step 5: Solve for x
    x = 61,564,915.84/8,330.16
  6. Step 6: Final answer
    x = 7,390.60

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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.