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Finding the Fourth Proportional to 7,896.58, 11,848.86 and 4,386.70

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Solution

The fourth proportional to 7,896.58, 11,848.86 and 4,386.70 is: 6,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.58 : 11,848.86 = 4,386.70 : x
  2. Step 2: Convert to fraction form
    7,896.58/11,848.86 = 4,386.70/x
  3. Step 3: Cross multiply
    7,896.58x = 11,848.86 × 4,386.70
  4. Step 4: Simplify right side
    7,896.58x = 51,977,394.16
  5. Step 5: Solve for x
    x = 51,977,394.16/7,896.58
  6. Step 6: Final answer
    x = 6,582.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.