Home / 11,223.01-15,490.73-6,627.81

Finding the Fourth Proportional to 11,223.01, 15,490.73 and 6,627.81

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Solution

The fourth proportional to 11,223.01, 15,490.73 and 6,627.81 is: 9,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.01 : 15,490.73 = 6,627.81 : x
  2. Step 2: Convert to fraction form
    11,223.01/15,490.73 = 6,627.81/x
  3. Step 3: Cross multiply
    11,223.01x = 15,490.73 × 6,627.81
  4. Step 4: Simplify right side
    11,223.01x = 102,669,615.20
  5. Step 5: Solve for x
    x = 102,669,615.20/11,223.01
  6. Step 6: Final answer
    x = 9,148.14

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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.