Home / 10,825.45-14,939.30-6,349.32

Finding the Fourth Proportional to 10,825.45, 14,939.30 and 6,349.32

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Solution

The fourth proportional to 10,825.45, 14,939.30 and 6,349.32 is: 8,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.45 : 14,939.30 = 6,349.32 : x
  2. Step 2: Convert to fraction form
    10,825.45/14,939.30 = 6,349.32/x
  3. Step 3: Cross multiply
    10,825.45x = 14,939.30 × 6,349.32
  4. Step 4: Simplify right side
    10,825.45x = 94,854,412.15
  5. Step 5: Solve for x
    x = 94,854,412.15/10,825.45
  6. Step 6: Final answer
    x = 8,762.17

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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.