Home / 11,557.48-15,945.36-6,521.08

Finding the Fourth Proportional to 11,557.48, 15,945.36 and 6,521.08

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Solution

The fourth proportional to 11,557.48, 15,945.36 and 6,521.08 is: 8,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.48 : 15,945.36 = 6,521.08 : x
  2. Step 2: Convert to fraction form
    11,557.48/15,945.36 = 6,521.08/x
  3. Step 3: Cross multiply
    11,557.48x = 15,945.36 × 6,521.08
  4. Step 4: Simplify right side
    11,557.48x = 103,980,968.19
  5. Step 5: Solve for x
    x = 103,980,968.19/11,557.48
  6. Step 6: Final answer
    x = 8,996.85

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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.