Home / 12,526.48-17,282.33-7,221.18

Finding the Fourth Proportional to 12,526.48, 17,282.33 and 7,221.18

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Solution

The fourth proportional to 12,526.48, 17,282.33 and 7,221.18 is: 9,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.48 : 17,282.33 = 7,221.18 : x
  2. Step 2: Convert to fraction form
    12,526.48/17,282.33 = 7,221.18/x
  3. Step 3: Cross multiply
    12,526.48x = 17,282.33 × 7,221.18
  4. Step 4: Simplify right side
    12,526.48x = 124,798,815.75
  5. Step 5: Solve for x
    x = 124,798,815.75/12,526.48
  6. Step 6: Final answer
    x = 9,962.80

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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.