Home / 12,734.90-17,574.14-7,070.52

Finding the Fourth Proportional to 12,734.90, 17,574.14 and 7,070.52

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Solution

The fourth proportional to 12,734.90, 17,574.14 and 7,070.52 is: 9,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.90 : 17,574.14 = 7,070.52 : x
  2. Step 2: Convert to fraction form
    12,734.90/17,574.14 = 7,070.52/x
  3. Step 3: Cross multiply
    12,734.90x = 17,574.14 × 7,070.52
  4. Step 4: Simplify right side
    12,734.90x = 124,258,308.35
  5. Step 5: Solve for x
    x = 124,258,308.35/12,734.90
  6. Step 6: Final answer
    x = 9,757.31

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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.