Home / 7,711.83-10,642.26-4,354.61

Finding the Fourth Proportional to 7,711.83, 10,642.26 and 4,354.61

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Solution

The fourth proportional to 7,711.83, 10,642.26 and 4,354.61 is: 6,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.83 : 10,642.26 = 4,354.61 : x
  2. Step 2: Convert to fraction form
    7,711.83/10,642.26 = 4,354.61/x
  3. Step 3: Cross multiply
    7,711.83x = 10,642.26 × 4,354.61
  4. Step 4: Simplify right side
    7,711.83x = 46,342,838.61
  5. Step 5: Solve for x
    x = 46,342,838.61/7,711.83
  6. Step 6: Final answer
    x = 6,009.32

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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.