Home / 10,785.64-16,173.50-5,595.16

Finding the Fourth Proportional to 10,785.64, 16,173.50 and 5,595.16

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Solution

The fourth proportional to 10,785.64, 16,173.50 and 5,595.16 is: 8,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.64 : 16,173.50 = 5,595.16 : x
  2. Step 2: Convert to fraction form
    10,785.64/16,173.50 = 5,595.16/x
  3. Step 3: Cross multiply
    10,785.64x = 16,173.50 × 5,595.16
  4. Step 4: Simplify right side
    10,785.64x = 90,493,320.26
  5. Step 5: Solve for x
    x = 90,493,320.26/10,785.64
  6. Step 6: Final answer
    x = 8,390.17

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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.