Home / 7,790.24-10,744.47-6,894.95

Finding the Fourth Proportional to 7,790.24, 10,744.47 and 6,894.95

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Solution

The fourth proportional to 7,790.24, 10,744.47 and 6,894.95 is: 9,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.24 : 10,744.47 = 6,894.95 : x
  2. Step 2: Convert to fraction form
    7,790.24/10,744.47 = 6,894.95/x
  3. Step 3: Cross multiply
    7,790.24x = 10,744.47 × 6,894.95
  4. Step 4: Simplify right side
    7,790.24x = 74,082,529.70
  5. Step 5: Solve for x
    x = 74,082,529.70/7,790.24
  6. Step 6: Final answer
    x = 9,509.66

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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.