Home / 6,777.66-9,356.67-4,678.14

Finding the Fourth Proportional to 6,777.66, 9,356.67 and 4,678.14

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Solution

The fourth proportional to 6,777.66, 9,356.67 and 4,678.14 is: 6,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.66 : 9,356.67 = 4,678.14 : x
  2. Step 2: Convert to fraction form
    6,777.66/9,356.67 = 4,678.14/x
  3. Step 3: Cross multiply
    6,777.66x = 9,356.67 × 4,678.14
  4. Step 4: Simplify right side
    6,777.66x = 43,771,812.19
  5. Step 5: Solve for x
    x = 43,771,812.19/6,777.66
  6. Step 6: Final answer
    x = 6,458.25

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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.