Home / 12,043.08-16,621.74-6,740.28

Finding the Fourth Proportional to 12,043.08, 16,621.74 and 6,740.28

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Solution

The fourth proportional to 12,043.08, 16,621.74 and 6,740.28 is: 9,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.08 : 16,621.74 = 6,740.28 : x
  2. Step 2: Convert to fraction form
    12,043.08/16,621.74 = 6,740.28/x
  3. Step 3: Cross multiply
    12,043.08x = 16,621.74 × 6,740.28
  4. Step 4: Simplify right side
    12,043.08x = 112,035,181.69
  5. Step 5: Solve for x
    x = 112,035,181.69/12,043.08
  6. Step 6: Final answer
    x = 9,302.87

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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.