Home / 9,803.93-13,528.26-5,555.48

Finding the Fourth Proportional to 9,803.93, 13,528.26 and 5,555.48

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Solution

The fourth proportional to 9,803.93, 13,528.26 and 5,555.48 is: 7,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,803.93 : 13,528.26 = 5,555.48 : x
  2. Step 2: Convert to fraction form
    9,803.93/13,528.26 = 5,555.48/x
  3. Step 3: Cross multiply
    9,803.93x = 13,528.26 × 5,555.48
  4. Step 4: Simplify right side
    9,803.93x = 75,155,910.22
  5. Step 5: Solve for x
    x = 75,155,910.22/9,803.93
  6. Step 6: Final answer
    x = 7,665.90

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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.