Home / 10,702.42-14,766.96-6,722.08

Finding the Fourth Proportional to 10,702.42, 14,766.96 and 6,722.08

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Solution

The fourth proportional to 10,702.42, 14,766.96 and 6,722.08 is: 9,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.42 : 14,766.96 = 6,722.08 : x
  2. Step 2: Convert to fraction form
    10,702.42/14,766.96 = 6,722.08/x
  3. Step 3: Cross multiply
    10,702.42x = 14,766.96 × 6,722.08
  4. Step 4: Simplify right side
    10,702.42x = 99,264,686.48
  5. Step 5: Solve for x
    x = 99,264,686.48/10,702.42
  6. Step 6: Final answer
    x = 9,274.98

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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.