Home / 12,962.75-17,888.65-7,297.59

Finding the Fourth Proportional to 12,962.75, 17,888.65 and 7,297.59

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Solution

The fourth proportional to 12,962.75, 17,888.65 and 7,297.59 is: 10,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.75 : 17,888.65 = 7,297.59 : x
  2. Step 2: Convert to fraction form
    12,962.75/17,888.65 = 7,297.59/x
  3. Step 3: Cross multiply
    12,962.75x = 17,888.65 × 7,297.59
  4. Step 4: Simplify right side
    12,962.75x = 130,544,082.19
  5. Step 5: Solve for x
    x = 130,544,082.19/12,962.75
  6. Step 6: Final answer
    x = 10,070.71

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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.