Home / 10,731.16-14,808.28-6,254.72

Finding the Fourth Proportional to 10,731.16, 14,808.28 and 6,254.72

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Solution

The fourth proportional to 10,731.16, 14,808.28 and 6,254.72 is: 8,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.16 : 14,808.28 = 6,254.72 : x
  2. Step 2: Convert to fraction form
    10,731.16/14,808.28 = 6,254.72/x
  3. Step 3: Cross multiply
    10,731.16x = 14,808.28 × 6,254.72
  4. Step 4: Simplify right side
    10,731.16x = 92,621,645.08
  5. Step 5: Solve for x
    x = 92,621,645.08/10,731.16
  6. Step 6: Final answer
    x = 8,631.09

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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.