Home / 9,999.06-13,798.50-5,522.56

Finding the Fourth Proportional to 9,999.06, 13,798.50 and 5,522.56

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Solution

The fourth proportional to 9,999.06, 13,798.50 and 5,522.56 is: 7,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.06 : 13,798.50 = 5,522.56 : x
  2. Step 2: Convert to fraction form
    9,999.06/13,798.50 = 5,522.56/x
  3. Step 3: Cross multiply
    9,999.06x = 13,798.50 × 5,522.56
  4. Step 4: Simplify right side
    9,999.06x = 76,203,044.16
  5. Step 5: Solve for x
    x = 76,203,044.16/9,999.06
  6. Step 6: Final answer
    x = 7,621.02

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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.