Home / 10,462.89-14,439.56-6,484.78

Finding the Fourth Proportional to 10,462.89, 14,439.56 and 6,484.78

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Solution

The fourth proportional to 10,462.89, 14,439.56 and 6,484.78 is: 8,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,462.89 : 14,439.56 = 6,484.78 : x
  2. Step 2: Convert to fraction form
    10,462.89/14,439.56 = 6,484.78/x
  3. Step 3: Cross multiply
    10,462.89x = 14,439.56 × 6,484.78
  4. Step 4: Simplify right side
    10,462.89x = 93,637,369.90
  5. Step 5: Solve for x
    x = 93,637,369.90/10,462.89
  6. Step 6: Final answer
    x = 8,949.47

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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.