Home / 11,015.90-15,196.31-7,032.83

Finding the Fourth Proportional to 11,015.90, 15,196.31 and 7,032.83

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Solution

The fourth proportional to 11,015.90, 15,196.31 and 7,032.83 is: 9,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.90 : 15,196.31 = 7,032.83 : x
  2. Step 2: Convert to fraction form
    11,015.90/15,196.31 = 7,032.83/x
  3. Step 3: Cross multiply
    11,015.90x = 15,196.31 × 7,032.83
  4. Step 4: Simplify right side
    11,015.90x = 106,872,980.08
  5. Step 5: Solve for x
    x = 106,872,980.08/11,015.90
  6. Step 6: Final answer
    x = 9,701.70

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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.