Home / 10,461.38-14,436.72-5,681.33

Finding the Fourth Proportional to 10,461.38, 14,436.72 and 5,681.33

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Solution

The fourth proportional to 10,461.38, 14,436.72 and 5,681.33 is: 7,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.38 : 14,436.72 = 5,681.33 : x
  2. Step 2: Convert to fraction form
    10,461.38/14,436.72 = 5,681.33/x
  3. Step 3: Cross multiply
    10,461.38x = 14,436.72 × 5,681.33
  4. Step 4: Simplify right side
    10,461.38x = 82,019,752.39
  5. Step 5: Solve for x
    x = 82,019,752.39/10,461.38
  6. Step 6: Final answer
    x = 7,840.25

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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.