Home / 10,815.81-14,925.84-6,100.11

Finding the Fourth Proportional to 10,815.81, 14,925.84 and 6,100.11

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Solution

The fourth proportional to 10,815.81, 14,925.84 and 6,100.11 is: 8,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.81 : 14,925.84 = 6,100.11 : x
  2. Step 2: Convert to fraction form
    10,815.81/14,925.84 = 6,100.11/x
  3. Step 3: Cross multiply
    10,815.81x = 14,925.84 × 6,100.11
  4. Step 4: Simplify right side
    10,815.81x = 91,049,265.84
  5. Step 5: Solve for x
    x = 91,049,265.84/10,815.81
  6. Step 6: Final answer
    x = 8,418.16

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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.