Home / 11,176.17-15,423.05-6,140.28

Finding the Fourth Proportional to 11,176.17, 15,423.05 and 6,140.28

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Solution

The fourth proportional to 11,176.17, 15,423.05 and 6,140.28 is: 8,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.17 : 15,423.05 = 6,140.28 : x
  2. Step 2: Convert to fraction form
    11,176.17/15,423.05 = 6,140.28/x
  3. Step 3: Cross multiply
    11,176.17x = 15,423.05 × 6,140.28
  4. Step 4: Simplify right side
    11,176.17x = 94,701,737.64
  5. Step 5: Solve for x
    x = 94,701,737.64/11,176.17
  6. Step 6: Final answer
    x = 8,473.55

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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.