Home / 11,782.08-17,646.24-5,630.40

Finding the Fourth Proportional to 11,782.08, 17,646.24 and 5,630.40

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Solution

The fourth proportional to 11,782.08, 17,646.24 and 5,630.40 is: 8,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.08 : 17,646.24 = 5,630.40 : x
  2. Step 2: Convert to fraction form
    11,782.08/17,646.24 = 5,630.40/x
  3. Step 3: Cross multiply
    11,782.08x = 17,646.24 × 5,630.40
  4. Step 4: Simplify right side
    11,782.08x = 99,355,389.70
  5. Step 5: Solve for x
    x = 99,355,389.70/11,782.08
  6. Step 6: Final answer
    x = 8,432.75

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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.