Home / 9,935.55-13,712.36-6,409.01

Finding the Fourth Proportional to 9,935.55, 13,712.36 and 6,409.01

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Solution

The fourth proportional to 9,935.55, 13,712.36 and 6,409.01 is: 8,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.55 : 13,712.36 = 6,409.01 : x
  2. Step 2: Convert to fraction form
    9,935.55/13,712.36 = 6,409.01/x
  3. Step 3: Cross multiply
    9,935.55x = 13,712.36 × 6,409.01
  4. Step 4: Simplify right side
    9,935.55x = 87,882,654.60
  5. Step 5: Solve for x
    x = 87,882,654.60/9,935.55
  6. Step 6: Final answer
    x = 8,845.27

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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.