Home / 10,859.24-14,984.92-6,143.82

Finding the Fourth Proportional to 10,859.24, 14,984.92 and 6,143.82

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Solution

The fourth proportional to 10,859.24, 14,984.92 and 6,143.82 is: 8,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.24 : 14,984.92 = 6,143.82 : x
  2. Step 2: Convert to fraction form
    10,859.24/14,984.92 = 6,143.82/x
  3. Step 3: Cross multiply
    10,859.24x = 14,984.92 × 6,143.82
  4. Step 4: Simplify right side
    10,859.24x = 92,064,651.19
  5. Step 5: Solve for x
    x = 92,064,651.19/10,859.24
  6. Step 6: Final answer
    x = 8,478.00

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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.