Home / 13,066.79-18,032.36-7,098.57

Finding the Fourth Proportional to 13,066.79, 18,032.36 and 7,098.57

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Solution

The fourth proportional to 13,066.79, 18,032.36 and 7,098.57 is: 9,796.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.79 : 18,032.36 = 7,098.57 : x
  2. Step 2: Convert to fraction form
    13,066.79/18,032.36 = 7,098.57/x
  3. Step 3: Cross multiply
    13,066.79x = 18,032.36 × 7,098.57
  4. Step 4: Simplify right side
    13,066.79x = 128,003,969.73
  5. Step 5: Solve for x
    x = 128,003,969.73/13,066.79
  6. Step 6: Final answer
    x = 9,796.13

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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.