Home / 11,300.40-16,918.20-6,926.40

Finding the Fourth Proportional to 11,300.40, 16,918.20 and 6,926.40

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Solution

The fourth proportional to 11,300.40, 16,918.20 and 6,926.40 is: 10,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.40 : 16,918.20 = 6,926.40 : x
  2. Step 2: Convert to fraction form
    11,300.40/16,918.20 = 6,926.40/x
  3. Step 3: Cross multiply
    11,300.40x = 16,918.20 × 6,926.40
  4. Step 4: Simplify right side
    11,300.40x = 117,182,220.48
  5. Step 5: Solve for x
    x = 117,182,220.48/11,300.40
  6. Step 6: Final answer
    x = 10,369.74

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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.