Home / 13,035.03-17,988.24-7,066.55

Finding the Fourth Proportional to 13,035.03, 17,988.24 and 7,066.55

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Solution

The fourth proportional to 13,035.03, 17,988.24 and 7,066.55 is: 9,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.03 : 17,988.24 = 7,066.55 : x
  2. Step 2: Convert to fraction form
    13,035.03/17,988.24 = 7,066.55/x
  3. Step 3: Cross multiply
    13,035.03x = 17,988.24 × 7,066.55
  4. Step 4: Simplify right side
    13,035.03x = 127,114,672.10
  5. Step 5: Solve for x
    x = 127,114,672.10/13,035.03
  6. Step 6: Final answer
    x = 9,751.77

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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.