Home / 12,948.10-17,871.32-9,167.29

Finding the Fourth Proportional to 12,948.10, 17,871.32 and 9,167.29

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Solution

The fourth proportional to 12,948.10, 17,871.32 and 9,167.29 is: 12,652.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.10 : 17,871.32 = 9,167.29 : x
  2. Step 2: Convert to fraction form
    12,948.10/17,871.32 = 9,167.29/x
  3. Step 3: Cross multiply
    12,948.10x = 17,871.32 × 9,167.29
  4. Step 4: Simplify right side
    12,948.10x = 163,831,573.12
  5. Step 5: Solve for x
    x = 163,831,573.12/12,948.10
  6. Step 6: Final answer
    x = 12,652.94

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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.