Home / 12,531.57-17,293.51-6,866.31

Finding the Fourth Proportional to 12,531.57, 17,293.51 and 6,866.31

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Solution

The fourth proportional to 12,531.57, 17,293.51 and 6,866.31 is: 9,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.57 : 17,293.51 = 6,866.31 : x
  2. Step 2: Convert to fraction form
    12,531.57/17,293.51 = 6,866.31/x
  3. Step 3: Cross multiply
    12,531.57x = 17,293.51 × 6,866.31
  4. Step 4: Simplify right side
    12,531.57x = 118,742,538.18
  5. Step 5: Solve for x
    x = 118,742,538.18/12,531.57
  6. Step 6: Final answer
    x = 9,475.47

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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.