Home / 8,949.18-12,350.10-4,970.19

Finding the Fourth Proportional to 8,949.18, 12,350.10 and 4,970.19

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Solution

The fourth proportional to 8,949.18, 12,350.10 and 4,970.19 is: 6,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.18 : 12,350.10 = 4,970.19 : x
  2. Step 2: Convert to fraction form
    8,949.18/12,350.10 = 4,970.19/x
  3. Step 3: Cross multiply
    8,949.18x = 12,350.10 × 4,970.19
  4. Step 4: Simplify right side
    8,949.18x = 61,382,343.52
  5. Step 5: Solve for x
    x = 61,382,343.52/8,949.18
  6. Step 6: Final answer
    x = 6,858.99

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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.