Home / 13,187.36-18,200.40-7,598.24

Finding the Fourth Proportional to 13,187.36, 18,200.40 and 7,598.24

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Solution

The fourth proportional to 13,187.36, 18,200.40 and 7,598.24 is: 10,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187.36 : 18,200.40 = 7,598.24 : x
  2. Step 2: Convert to fraction form
    13,187.36/18,200.40 = 7,598.24/x
  3. Step 3: Cross multiply
    13,187.36x = 18,200.40 × 7,598.24
  4. Step 4: Simplify right side
    13,187.36x = 138,291,007.30
  5. Step 5: Solve for x
    x = 138,291,007.30/13,187.36
  6. Step 6: Final answer
    x = 10,486.63

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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.