Home / 10,702.40-14,768.90-5,986.58

Finding the Fourth Proportional to 10,702.40, 14,768.90 and 5,986.58

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Solution

The fourth proportional to 10,702.40, 14,768.90 and 5,986.58 is: 8,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.40 : 14,768.90 = 5,986.58 : x
  2. Step 2: Convert to fraction form
    10,702.40/14,768.90 = 5,986.58/x
  3. Step 3: Cross multiply
    10,702.40x = 14,768.90 × 5,986.58
  4. Step 4: Simplify right side
    10,702.40x = 88,415,201.36
  5. Step 5: Solve for x
    x = 88,415,201.36/10,702.40
  6. Step 6: Final answer
    x = 8,261.25

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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.