Home / 12,306.48-16,971.57-10,884.93

Finding the Fourth Proportional to 12,306.48, 16,971.57 and 10,884.93

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Solution

The fourth proportional to 12,306.48, 16,971.57 and 10,884.93 is: 15,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.48 : 16,971.57 = 10,884.93 : x
  2. Step 2: Convert to fraction form
    12,306.48/16,971.57 = 10,884.93/x
  3. Step 3: Cross multiply
    12,306.48x = 16,971.57 × 10,884.93
  4. Step 4: Simplify right side
    12,306.48x = 184,734,351.44
  5. Step 5: Solve for x
    x = 184,734,351.44/12,306.48
  6. Step 6: Final answer
    x = 15,011.14

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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.