Home / 6,980.07-10,449.31-4,631.95

Finding the Fourth Proportional to 6,980.07, 10,449.31 and 4,631.95

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Solution

The fourth proportional to 6,980.07, 10,449.31 and 4,631.95 is: 6,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.07 : 10,449.31 = 4,631.95 : x
  2. Step 2: Convert to fraction form
    6,980.07/10,449.31 = 4,631.95/x
  3. Step 3: Cross multiply
    6,980.07x = 10,449.31 × 4,631.95
  4. Step 4: Simplify right side
    6,980.07x = 48,400,681.45
  5. Step 5: Solve for x
    x = 48,400,681.45/6,980.07
  6. Step 6: Final answer
    x = 6,934.13

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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.