Home / 10,461.08-15,688.28-3,439.46

Finding the Fourth Proportional to 10,461.08, 15,688.28 and 3,439.46

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Solution

The fourth proportional to 10,461.08, 15,688.28 and 3,439.46 is: 5,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.08 : 15,688.28 = 3,439.46 : x
  2. Step 2: Convert to fraction form
    10,461.08/15,688.28 = 3,439.46/x
  3. Step 3: Cross multiply
    10,461.08x = 15,688.28 × 3,439.46
  4. Step 4: Simplify right side
    10,461.08x = 53,959,211.53
  5. Step 5: Solve for x
    x = 53,959,211.53/10,461.08
  6. Step 6: Final answer
    x = 5,158.09

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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.