Home / 9,907.27-13,670.29-5,656.39

Finding the Fourth Proportional to 9,907.27, 13,670.29 and 5,656.39

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Solution

The fourth proportional to 9,907.27, 13,670.29 and 5,656.39 is: 7,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.27 : 13,670.29 = 5,656.39 : x
  2. Step 2: Convert to fraction form
    9,907.27/13,670.29 = 5,656.39/x
  3. Step 3: Cross multiply
    9,907.27x = 13,670.29 × 5,656.39
  4. Step 4: Simplify right side
    9,907.27x = 77,324,491.65
  5. Step 5: Solve for x
    x = 77,324,491.65/9,907.27
  6. Step 6: Final answer
    x = 7,804.82

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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.