Home / 11,009.16-15,188.94-7,032.60

Finding the Fourth Proportional to 11,009.16, 15,188.94 and 7,032.60

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Solution

The fourth proportional to 11,009.16, 15,188.94 and 7,032.60 is: 9,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.16 : 15,188.94 = 7,032.60 : x
  2. Step 2: Convert to fraction form
    11,009.16/15,188.94 = 7,032.60/x
  3. Step 3: Cross multiply
    11,009.16x = 15,188.94 × 7,032.60
  4. Step 4: Simplify right side
    11,009.16x = 106,817,739.44
  5. Step 5: Solve for x
    x = 106,817,739.44/11,009.16
  6. Step 6: Final answer
    x = 9,702.62

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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.