Home / 9,970.64-14,949.56-4,425.68

Finding the Fourth Proportional to 9,970.64, 14,949.56 and 4,425.68

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Solution

The fourth proportional to 9,970.64, 14,949.56 and 4,425.68 is: 6,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.64 : 14,949.56 = 4,425.68 : x
  2. Step 2: Convert to fraction form
    9,970.64/14,949.56 = 4,425.68/x
  3. Step 3: Cross multiply
    9,970.64x = 14,949.56 × 4,425.68
  4. Step 4: Simplify right side
    9,970.64x = 66,161,968.70
  5. Step 5: Solve for x
    x = 66,161,968.70/9,970.64
  6. Step 6: Final answer
    x = 6,635.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.