Home / 10,886.16-16,342.20-7,006.80

Finding the Fourth Proportional to 10,886.16, 16,342.20 and 7,006.80

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Solution

The fourth proportional to 10,886.16, 16,342.20 and 7,006.80 is: 10,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.16 : 16,342.20 = 7,006.80 : x
  2. Step 2: Convert to fraction form
    10,886.16/16,342.20 = 7,006.80/x
  3. Step 3: Cross multiply
    10,886.16x = 16,342.20 × 7,006.80
  4. Step 4: Simplify right side
    10,886.16x = 114,506,526.96
  5. Step 5: Solve for x
    x = 114,506,526.96/10,886.16
  6. Step 6: Final answer
    x = 10,518.54

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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.