Home / 10,651.79-14,699.39-6,178.13

Finding the Fourth Proportional to 10,651.79, 14,699.39 and 6,178.13

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Solution

The fourth proportional to 10,651.79, 14,699.39 and 6,178.13 is: 8,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.79 : 14,699.39 = 6,178.13 : x
  2. Step 2: Convert to fraction form
    10,651.79/14,699.39 = 6,178.13/x
  3. Step 3: Cross multiply
    10,651.79x = 14,699.39 × 6,178.13
  4. Step 4: Simplify right side
    10,651.79x = 90,814,637.95
  5. Step 5: Solve for x
    x = 90,814,637.95/10,651.79
  6. Step 6: Final answer
    x = 8,525.77

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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.