Home / 10,117.95-13,971.36-6,347.44

Finding the Fourth Proportional to 10,117.95, 13,971.36 and 6,347.44

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Solution

The fourth proportional to 10,117.95, 13,971.36 and 6,347.44 is: 8,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.95 : 13,971.36 = 6,347.44 : x
  2. Step 2: Convert to fraction form
    10,117.95/13,971.36 = 6,347.44/x
  3. Step 3: Cross multiply
    10,117.95x = 13,971.36 × 6,347.44
  4. Step 4: Simplify right side
    10,117.95x = 88,682,369.32
  5. Step 5: Solve for x
    x = 88,682,369.32/10,117.95
  6. Step 6: Final answer
    x = 8,764.86

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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.