Home / 7,814.93-10,782.88-4,626.63

Finding the Fourth Proportional to 7,814.93, 10,782.88 and 4,626.63

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Solution

The fourth proportional to 7,814.93, 10,782.88 and 4,626.63 is: 6,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.93 : 10,782.88 = 4,626.63 : x
  2. Step 2: Convert to fraction form
    7,814.93/10,782.88 = 4,626.63/x
  3. Step 3: Cross multiply
    7,814.93x = 10,782.88 × 4,626.63
  4. Step 4: Simplify right side
    7,814.93x = 49,888,384.53
  5. Step 5: Solve for x
    x = 49,888,384.53/7,814.93
  6. Step 6: Final answer
    x = 6,383.73

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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.