Home / 13,035.31-17,988.69-7,066.99

Finding the Fourth Proportional to 13,035.31, 17,988.69 and 7,066.99

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Solution

The fourth proportional to 13,035.31, 17,988.69 and 7,066.99 is: 9,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.31 : 17,988.69 = 7,066.99 : x
  2. Step 2: Convert to fraction form
    13,035.31/17,988.69 = 7,066.99/x
  3. Step 3: Cross multiply
    13,035.31x = 17,988.69 × 7,066.99
  4. Step 4: Simplify right side
    13,035.31x = 127,125,892.34
  5. Step 5: Solve for x
    x = 127,125,892.34/13,035.31
  6. Step 6: Final answer
    x = 9,752.43

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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.