Home / 12,343.05-17,035.47-9,710.55

Finding the Fourth Proportional to 12,343.05, 17,035.47 and 9,710.55

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Solution

The fourth proportional to 12,343.05, 17,035.47 and 9,710.55 is: 13,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.05 : 17,035.47 = 9,710.55 : x
  2. Step 2: Convert to fraction form
    12,343.05/17,035.47 = 9,710.55/x
  3. Step 3: Cross multiply
    12,343.05x = 17,035.47 × 9,710.55
  4. Step 4: Simplify right side
    12,343.05x = 165,423,783.21
  5. Step 5: Solve for x
    x = 165,423,783.21/12,343.05
  6. Step 6: Final answer
    x = 13,402.18

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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.