Home / 9,980.49-14,968.18-2,958.86

Finding the Fourth Proportional to 9,980.49, 14,968.18 and 2,958.86

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Solution

The fourth proportional to 9,980.49, 14,968.18 and 2,958.86 is: 4,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.49 : 14,968.18 = 2,958.86 : x
  2. Step 2: Convert to fraction form
    9,980.49/14,968.18 = 2,958.86/x
  3. Step 3: Cross multiply
    9,980.49x = 14,968.18 × 2,958.86
  4. Step 4: Simplify right side
    9,980.49x = 44,288,739.77
  5. Step 5: Solve for x
    x = 44,288,739.77/9,980.49
  6. Step 6: Final answer
    x = 4,437.53

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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.