Home / 10,643.20-14,687.04-5,927.84

Finding the Fourth Proportional to 10,643.20, 14,687.04 and 5,927.84

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Solution

The fourth proportional to 10,643.20, 14,687.04 and 5,927.84 is: 8,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.20 : 14,687.04 = 5,927.84 : x
  2. Step 2: Convert to fraction form
    10,643.20/14,687.04 = 5,927.84/x
  3. Step 3: Cross multiply
    10,643.20x = 14,687.04 × 5,927.84
  4. Step 4: Simplify right side
    10,643.20x = 87,062,423.19
  5. Step 5: Solve for x
    x = 87,062,423.19/10,643.20
  6. Step 6: Final answer
    x = 8,180.10

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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.