Home / 10,911.40-16,367.20-4,666.16

Finding the Fourth Proportional to 10,911.40, 16,367.20 and 4,666.16

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Solution

The fourth proportional to 10,911.40, 16,367.20 and 4,666.16 is: 6,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.40 : 16,367.20 = 4,666.16 : x
  2. Step 2: Convert to fraction form
    10,911.40/16,367.20 = 4,666.16/x
  3. Step 3: Cross multiply
    10,911.40x = 16,367.20 × 4,666.16
  4. Step 4: Simplify right side
    10,911.40x = 76,371,973.95
  5. Step 5: Solve for x
    x = 76,371,973.95/10,911.40
  6. Step 6: Final answer
    x = 6,999.28

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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.