Home / 7,479.86-10,319.73-4,829.03

Finding the Fourth Proportional to 7,479.86, 10,319.73 and 4,829.03

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Solution

The fourth proportional to 7,479.86, 10,319.73 and 4,829.03 is: 6,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.86 : 10,319.73 = 4,829.03 : x
  2. Step 2: Convert to fraction form
    7,479.86/10,319.73 = 4,829.03/x
  3. Step 3: Cross multiply
    7,479.86x = 10,319.73 × 4,829.03
  4. Step 4: Simplify right side
    7,479.86x = 49,834,285.76
  5. Step 5: Solve for x
    x = 49,834,285.76/7,479.86
  6. Step 6: Final answer
    x = 6,662.46

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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.