Home / 13,066.36-18,031.26-7,097.90

Finding the Fourth Proportional to 13,066.36, 18,031.26 and 7,097.90

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Solution

The fourth proportional to 13,066.36, 18,031.26 and 7,097.90 is: 9,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.36 : 18,031.26 = 7,097.90 : x
  2. Step 2: Convert to fraction form
    13,066.36/18,031.26 = 7,097.90/x
  3. Step 3: Cross multiply
    13,066.36x = 18,031.26 × 7,097.90
  4. Step 4: Simplify right side
    13,066.36x = 127,984,080.35
  5. Step 5: Solve for x
    x = 127,984,080.35/13,066.36
  6. Step 6: Final answer
    x = 9,794.93

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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.