Home / 11,248.08-15,526.44-9,148.56

Finding the Fourth Proportional to 11,248.08, 15,526.44 and 9,148.56

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Solution

The fourth proportional to 11,248.08, 15,526.44 and 9,148.56 is: 12,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,248.08 : 15,526.44 = 9,148.56 : x
  2. Step 2: Convert to fraction form
    11,248.08/15,526.44 = 9,148.56/x
  3. Step 3: Cross multiply
    11,248.08x = 15,526.44 × 9,148.56
  4. Step 4: Simplify right side
    11,248.08x = 142,044,567.93
  5. Step 5: Solve for x
    x = 142,044,567.93/11,248.08
  6. Step 6: Final answer
    x = 12,628.34

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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.