Home / 10,699.11-16,048.67-2,909.07

Finding the Fourth Proportional to 10,699.11, 16,048.67 and 2,909.07

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Solution

The fourth proportional to 10,699.11, 16,048.67 and 2,909.07 is: 4,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,699.11 : 16,048.67 = 2,909.07 : x
  2. Step 2: Convert to fraction form
    10,699.11/16,048.67 = 2,909.07/x
  3. Step 3: Cross multiply
    10,699.11x = 16,048.67 × 2,909.07
  4. Step 4: Simplify right side
    10,699.11x = 46,686,689.89
  5. Step 5: Solve for x
    x = 46,686,689.89/10,699.11
  6. Step 6: Final answer
    x = 4,363.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.