Home / 12,962.99-17,887.55-7,297.63

Finding the Fourth Proportional to 12,962.99, 17,887.55 and 7,297.63

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Solution

The fourth proportional to 12,962.99, 17,887.55 and 7,297.63 is: 10,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.99 : 17,887.55 = 7,297.63 : x
  2. Step 2: Convert to fraction form
    12,962.99/17,887.55 = 7,297.63/x
  3. Step 3: Cross multiply
    12,962.99x = 17,887.55 × 7,297.63
  4. Step 4: Simplify right side
    12,962.99x = 130,536,772.21
  5. Step 5: Solve for x
    x = 130,536,772.21/12,962.99
  6. Step 6: Final answer
    x = 10,069.96

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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.