Home / 11,555.03-15,948.56-9,663.33

Finding the Fourth Proportional to 11,555.03, 15,948.56 and 9,663.33

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Solution

The fourth proportional to 11,555.03, 15,948.56 and 9,663.33 is: 13,337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.03 : 15,948.56 = 9,663.33 : x
  2. Step 2: Convert to fraction form
    11,555.03/15,948.56 = 9,663.33/x
  3. Step 3: Cross multiply
    11,555.03x = 15,948.56 × 9,663.33
  4. Step 4: Simplify right side
    11,555.03x = 154,116,222.46
  5. Step 5: Solve for x
    x = 154,116,222.46/11,555.03
  6. Step 6: Final answer
    x = 13,337.58

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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.