Home / 9,326.14-12,870.27-5,134.39

Finding the Fourth Proportional to 9,326.14, 12,870.27 and 5,134.39

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Solution

The fourth proportional to 9,326.14, 12,870.27 and 5,134.39 is: 7,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.14 : 12,870.27 = 5,134.39 : x
  2. Step 2: Convert to fraction form
    9,326.14/12,870.27 = 5,134.39/x
  3. Step 3: Cross multiply
    9,326.14x = 12,870.27 × 5,134.39
  4. Step 4: Simplify right side
    9,326.14x = 66,080,985.59
  5. Step 5: Solve for x
    x = 66,080,985.59/9,326.14
  6. Step 6: Final answer
    x = 7,085.57

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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.