Home / 10,312.45-14,231.21-6,333.52

Finding the Fourth Proportional to 10,312.45, 14,231.21 and 6,333.52

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Solution

The fourth proportional to 10,312.45, 14,231.21 and 6,333.52 is: 8,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.45 : 14,231.21 = 6,333.52 : x
  2. Step 2: Convert to fraction form
    10,312.45/14,231.21 = 6,333.52/x
  3. Step 3: Cross multiply
    10,312.45x = 14,231.21 × 6,333.52
  4. Step 4: Simplify right side
    10,312.45x = 90,133,653.16
  5. Step 5: Solve for x
    x = 90,133,653.16/10,312.45
  6. Step 6: Final answer
    x = 8,740.28

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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.