Home / 11,681.53-16,120.19-10,741.12

Finding the Fourth Proportional to 11,681.53, 16,120.19 and 10,741.12

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Solution

The fourth proportional to 11,681.53, 16,120.19 and 10,741.12 is: 14,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.53 : 16,120.19 = 10,741.12 : x
  2. Step 2: Convert to fraction form
    11,681.53/16,120.19 = 10,741.12/x
  3. Step 3: Cross multiply
    11,681.53x = 16,120.19 × 10,741.12
  4. Step 4: Simplify right side
    11,681.53x = 173,148,881.77
  5. Step 5: Solve for x
    x = 173,148,881.77/11,681.53
  6. Step 6: Final answer
    x = 14,822.45

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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.