Home / 13,507.40-20,246.70-6,110.60

Finding the Fourth Proportional to 13,507.40, 20,246.70 and 6,110.60

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Solution

The fourth proportional to 13,507.40, 20,246.70 and 6,110.60 is: 9,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.40 : 20,246.70 = 6,110.60 : x
  2. Step 2: Convert to fraction form
    13,507.40/20,246.70 = 6,110.60/x
  3. Step 3: Cross multiply
    13,507.40x = 20,246.70 × 6,110.60
  4. Step 4: Simplify right side
    13,507.40x = 123,719,485.02
  5. Step 5: Solve for x
    x = 123,719,485.02/13,507.40
  6. Step 6: Final answer
    x = 9,159.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.