Home / 7,813.16-10,782.42-4,276.52

Finding the Fourth Proportional to 7,813.16, 10,782.42 and 4,276.52

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Solution

The fourth proportional to 7,813.16, 10,782.42 and 4,276.52 is: 5,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.16 : 10,782.42 = 4,276.52 : x
  2. Step 2: Convert to fraction form
    7,813.16/10,782.42 = 4,276.52/x
  3. Step 3: Cross multiply
    7,813.16x = 10,782.42 × 4,276.52
  4. Step 4: Simplify right side
    7,813.16x = 46,111,234.78
  5. Step 5: Solve for x
    x = 46,111,234.78/7,813.16
  6. Step 6: Final answer
    x = 5,901.74

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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.