Home / 12,176.40-16,803.39-6,587.40

Finding the Fourth Proportional to 12,176.40, 16,803.39 and 6,587.40

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Solution

The fourth proportional to 12,176.40, 16,803.39 and 6,587.40 is: 9,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.40 : 16,803.39 = 6,587.40 : x
  2. Step 2: Convert to fraction form
    12,176.40/16,803.39 = 6,587.40/x
  3. Step 3: Cross multiply
    12,176.40x = 16,803.39 × 6,587.40
  4. Step 4: Simplify right side
    12,176.40x = 110,690,651.29
  5. Step 5: Solve for x
    x = 110,690,651.29/12,176.40
  6. Step 6: Final answer
    x = 9,090.59

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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.