Home / 13,173.36-19,770.54-6,937.05

Finding the Fourth Proportional to 13,173.36, 19,770.54 and 6,937.05

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Solution

The fourth proportional to 13,173.36, 19,770.54 and 6,937.05 is: 10,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.36 : 19,770.54 = 6,937.05 : x
  2. Step 2: Convert to fraction form
    13,173.36/19,770.54 = 6,937.05/x
  3. Step 3: Cross multiply
    13,173.36x = 19,770.54 × 6,937.05
  4. Step 4: Simplify right side
    13,173.36x = 137,149,224.51
  5. Step 5: Solve for x
    x = 137,149,224.51/13,173.36
  6. Step 6: Final answer
    x = 10,411.10

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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.