Home / 10,821.43-14,931.43-6,346.59

Finding the Fourth Proportional to 10,821.43, 14,931.43 and 6,346.59

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Solution

The fourth proportional to 10,821.43, 14,931.43 and 6,346.59 is: 8,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.43 : 14,931.43 = 6,346.59 : x
  2. Step 2: Convert to fraction form
    10,821.43/14,931.43 = 6,346.59/x
  3. Step 3: Cross multiply
    10,821.43x = 14,931.43 × 6,346.59
  4. Step 4: Simplify right side
    10,821.43x = 94,763,664.32
  5. Step 5: Solve for x
    x = 94,763,664.32/10,821.43
  6. Step 6: Final answer
    x = 8,757.04

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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.