Home / 10,775.91-16,164.99-2,984.72

Finding the Fourth Proportional to 10,775.91, 16,164.99 and 2,984.72

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Solution

The fourth proportional to 10,775.91, 16,164.99 and 2,984.72 is: 4,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.91 : 16,164.99 = 2,984.72 : x
  2. Step 2: Convert to fraction form
    10,775.91/16,164.99 = 2,984.72/x
  3. Step 3: Cross multiply
    10,775.91x = 16,164.99 × 2,984.72
  4. Step 4: Simplify right side
    10,775.91x = 48,248,009.37
  5. Step 5: Solve for x
    x = 48,248,009.37/10,775.91
  6. Step 6: Final answer
    x = 4,477.40

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Double scale
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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.