Home / 11,489.36-15,854.52-10,548.28

Finding the Fourth Proportional to 11,489.36, 15,854.52 and 10,548.28

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Solution

The fourth proportional to 11,489.36, 15,854.52 and 10,548.28 is: 14,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.36 : 15,854.52 = 10,548.28 : x
  2. Step 2: Convert to fraction form
    11,489.36/15,854.52 = 10,548.28/x
  3. Step 3: Cross multiply
    11,489.36x = 15,854.52 × 10,548.28
  4. Step 4: Simplify right side
    11,489.36x = 167,237,916.23
  5. Step 5: Solve for x
    x = 167,237,916.23/11,489.36
  6. Step 6: Final answer
    x = 14,555.89

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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.