Home / 8,950.52-12,350.58-4,970.90

Finding the Fourth Proportional to 8,950.52, 12,350.58 and 4,970.90

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Solution

The fourth proportional to 8,950.52, 12,350.58 and 4,970.90 is: 6,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.52 : 12,350.58 = 4,970.90 : x
  2. Step 2: Convert to fraction form
    8,950.52/12,350.58 = 4,970.90/x
  3. Step 3: Cross multiply
    8,950.52x = 12,350.58 × 4,970.90
  4. Step 4: Simplify right side
    8,950.52x = 61,393,498.12
  5. Step 5: Solve for x
    x = 61,393,498.12/8,950.52
  6. Step 6: Final answer
    x = 6,859.21

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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.