Home / 13,035.02-17,988.42-7,066.79

Finding the Fourth Proportional to 13,035.02, 17,988.42 and 7,066.79

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Solution

The fourth proportional to 13,035.02, 17,988.42 and 7,066.79 is: 9,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.02 : 17,988.42 = 7,066.79 : x
  2. Step 2: Convert to fraction form
    13,035.02/17,988.42 = 7,066.79/x
  3. Step 3: Cross multiply
    13,035.02x = 17,988.42 × 7,066.79
  4. Step 4: Simplify right side
    13,035.02x = 127,120,296.63
  5. Step 5: Solve for x
    x = 127,120,296.63/13,035.02
  6. Step 6: Final answer
    x = 9,752.21

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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.