Home / 10,539.10-14,544.66-6,999.94

Finding the Fourth Proportional to 10,539.10, 14,544.66 and 6,999.94

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Solution

The fourth proportional to 10,539.10, 14,544.66 and 6,999.94 is: 9,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.10 : 14,544.66 = 6,999.94 : x
  2. Step 2: Convert to fraction form
    10,539.10/14,544.66 = 6,999.94/x
  3. Step 3: Cross multiply
    10,539.10x = 14,544.66 × 6,999.94
  4. Step 4: Simplify right side
    10,539.10x = 101,811,747.32
  5. Step 5: Solve for x
    x = 101,811,747.32/10,539.10
  6. Step 6: Final answer
    x = 9,660.38

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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.