Home / 12,482.03-17,208.79-9,613.98

Finding the Fourth Proportional to 12,482.03, 17,208.79 and 9,613.98

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Solution

The fourth proportional to 12,482.03, 17,208.79 and 9,613.98 is: 13,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.03 : 17,208.79 = 9,613.98 : x
  2. Step 2: Convert to fraction form
    12,482.03/17,208.79 = 9,613.98/x
  3. Step 3: Cross multiply
    12,482.03x = 17,208.79 × 9,613.98
  4. Step 4: Simplify right side
    12,482.03x = 165,444,938.85
  5. Step 5: Solve for x
    x = 165,444,938.85/12,482.03
  6. Step 6: Final answer
    x = 13,254.65

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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.