Home / 11,445.09-17,178.70-5,526.12

Finding the Fourth Proportional to 11,445.09, 17,178.70 and 5,526.12

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Solution

The fourth proportional to 11,445.09, 17,178.70 and 5,526.12 is: 8,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.09 : 17,178.70 = 5,526.12 : x
  2. Step 2: Convert to fraction form
    11,445.09/17,178.70 = 5,526.12/x
  3. Step 3: Cross multiply
    11,445.09x = 17,178.70 × 5,526.12
  4. Step 4: Simplify right side
    11,445.09x = 94,931,557.64
  5. Step 5: Solve for x
    x = 94,931,557.64/11,445.09
  6. Step 6: Final answer
    x = 8,294.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.