Home / 12,962.98-17,889.57-7,297.45

Finding the Fourth Proportional to 12,962.98, 17,889.57 and 7,297.45

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Solution

The fourth proportional to 12,962.98, 17,889.57 and 7,297.45 is: 10,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.98 : 17,889.57 = 7,297.45 : x
  2. Step 2: Convert to fraction form
    12,962.98/17,889.57 = 7,297.45/x
  3. Step 3: Cross multiply
    12,962.98x = 17,889.57 × 7,297.45
  4. Step 4: Simplify right side
    12,962.98x = 130,548,242.60
  5. Step 5: Solve for x
    x = 130,548,242.60/12,962.98
  6. Step 6: Final answer
    x = 10,070.85

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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.