Home / 9,027.81-12,432.54-8,465.26

Finding the Fourth Proportional to 9,027.81, 12,432.54 and 8,465.26

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Solution

The fourth proportional to 9,027.81, 12,432.54 and 8,465.26 is: 11,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027.81 : 12,432.54 = 8,465.26 : x
  2. Step 2: Convert to fraction form
    9,027.81/12,432.54 = 8,465.26/x
  3. Step 3: Cross multiply
    9,027.81x = 12,432.54 × 8,465.26
  4. Step 4: Simplify right side
    9,027.81x = 105,244,683.56
  5. Step 5: Solve for x
    x = 105,244,683.56/9,027.81
  6. Step 6: Final answer
    x = 11,657.83

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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.