Home / 11,621.92-16,038.20-6,587.10

Finding the Fourth Proportional to 11,621.92, 16,038.20 and 6,587.10

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Solution

The fourth proportional to 11,621.92, 16,038.20 and 6,587.10 is: 9,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.92 : 16,038.20 = 6,587.10 : x
  2. Step 2: Convert to fraction form
    11,621.92/16,038.20 = 6,587.10/x
  3. Step 3: Cross multiply
    11,621.92x = 16,038.20 × 6,587.10
  4. Step 4: Simplify right side
    11,621.92x = 105,645,227.22
  5. Step 5: Solve for x
    x = 105,645,227.22/11,621.92
  6. Step 6: Final answer
    x = 9,090.17

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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.