Home / 12,526.84-17,278.73-8,056.25

Finding the Fourth Proportional to 12,526.84, 17,278.73 and 8,056.25

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Solution

The fourth proportional to 12,526.84, 17,278.73 and 8,056.25 is: 11,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.84 : 17,278.73 = 8,056.25 : x
  2. Step 2: Convert to fraction form
    12,526.84/17,278.73 = 8,056.25/x
  3. Step 3: Cross multiply
    12,526.84x = 17,278.73 × 8,056.25
  4. Step 4: Simplify right side
    12,526.84x = 139,201,782.21
  5. Step 5: Solve for x
    x = 139,201,782.21/12,526.84
  6. Step 6: Final answer
    x = 11,112.28

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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.