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Finding the Fourth Proportional to 11,483.45, 15,848.28 and 7,010.19

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Solution

The fourth proportional to 11,483.45, 15,848.28 and 7,010.19 is: 9,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.45 : 15,848.28 = 7,010.19 : x
  2. Step 2: Convert to fraction form
    11,483.45/15,848.28 = 7,010.19/x
  3. Step 3: Cross multiply
    11,483.45x = 15,848.28 × 7,010.19
  4. Step 4: Simplify right side
    11,483.45x = 111,099,339.68
  5. Step 5: Solve for x
    x = 111,099,339.68/11,483.45
  6. Step 6: Final answer
    x = 9,674.74

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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.