Home / 10,774.08-14,870.38-6,991.94

Finding the Fourth Proportional to 10,774.08, 14,870.38 and 6,991.94

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Solution

The fourth proportional to 10,774.08, 14,870.38 and 6,991.94 is: 9,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,774.08 : 14,870.38 = 6,991.94 : x
  2. Step 2: Convert to fraction form
    10,774.08/14,870.38 = 6,991.94/x
  3. Step 3: Cross multiply
    10,774.08x = 14,870.38 × 6,991.94
  4. Step 4: Simplify right side
    10,774.08x = 103,972,804.74
  5. Step 5: Solve for x
    x = 103,972,804.74/10,774.08
  6. Step 6: Final answer
    x = 9,650.27

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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.