Home / 12,531.90-17,293.59-7,225.98

Finding the Fourth Proportional to 12,531.90, 17,293.59 and 7,225.98

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Solution

The fourth proportional to 12,531.90, 17,293.59 and 7,225.98 is: 9,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.90 : 17,293.59 = 7,225.98 : x
  2. Step 2: Convert to fraction form
    12,531.90/17,293.59 = 7,225.98/x
  3. Step 3: Cross multiply
    12,531.90x = 17,293.59 × 7,225.98
  4. Step 4: Simplify right side
    12,531.90x = 124,963,135.47
  5. Step 5: Solve for x
    x = 124,963,135.47/12,531.90
  6. Step 6: Final answer
    x = 9,971.60

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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.