Home / 10,312.47-14,231.46-6,331.32

Finding the Fourth Proportional to 10,312.47, 14,231.46 and 6,331.32

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Solution

The fourth proportional to 10,312.47, 14,231.46 and 6,331.32 is: 8,737.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.47 : 14,231.46 = 6,331.32 : x
  2. Step 2: Convert to fraction form
    10,312.47/14,231.46 = 6,331.32/x
  3. Step 3: Cross multiply
    10,312.47x = 14,231.46 × 6,331.32
  4. Step 4: Simplify right side
    10,312.47x = 90,103,927.33
  5. Step 5: Solve for x
    x = 90,103,927.33/10,312.47
  6. Step 6: Final answer
    x = 8,737.38

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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.