Home / 12,526.86-17,283.12-7,220.94

Finding the Fourth Proportional to 12,526.86, 17,283.12 and 7,220.94

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Solution

The fourth proportional to 12,526.86, 17,283.12 and 7,220.94 is: 9,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.86 : 17,283.12 = 7,220.94 : x
  2. Step 2: Convert to fraction form
    12,526.86/17,283.12 = 7,220.94/x
  3. Step 3: Cross multiply
    12,526.86x = 17,283.12 × 7,220.94
  4. Step 4: Simplify right side
    12,526.86x = 124,800,372.53
  5. Step 5: Solve for x
    x = 124,800,372.53/12,526.86
  6. Step 6: Final answer
    x = 9,962.62

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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.