Home / 8,652.13-11,942.58-5,423.70

Finding the Fourth Proportional to 8,652.13, 11,942.58 and 5,423.70

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Solution

The fourth proportional to 8,652.13, 11,942.58 and 5,423.70 is: 7,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.13 : 11,942.58 = 5,423.70 : x
  2. Step 2: Convert to fraction form
    8,652.13/11,942.58 = 5,423.70/x
  3. Step 3: Cross multiply
    8,652.13x = 11,942.58 × 5,423.70
  4. Step 4: Simplify right side
    8,652.13x = 64,772,911.43
  5. Step 5: Solve for x
    x = 64,772,911.43/8,652.13
  6. Step 6: Final answer
    x = 7,486.35

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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.