Home / 11,362.08-15,670.80-7,384.48

Finding the Fourth Proportional to 11,362.08, 15,670.80 and 7,384.48

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Solution

The fourth proportional to 11,362.08, 15,670.80 and 7,384.48 is: 10,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.08 : 15,670.80 = 7,384.48 : x
  2. Step 2: Convert to fraction form
    11,362.08/15,670.80 = 7,384.48/x
  3. Step 3: Cross multiply
    11,362.08x = 15,670.80 × 7,384.48
  4. Step 4: Simplify right side
    11,362.08x = 115,720,709.18
  5. Step 5: Solve for x
    x = 115,720,709.18/11,362.08
  6. Step 6: Final answer
    x = 10,184.82

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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.