Home / 7,927.34-11,888.57-5,477.90

Finding the Fourth Proportional to 7,927.34, 11,888.57 and 5,477.90

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Solution

The fourth proportional to 7,927.34, 11,888.57 and 5,477.90 is: 8,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.34 : 11,888.57 = 5,477.90 : x
  2. Step 2: Convert to fraction form
    7,927.34/11,888.57 = 5,477.90/x
  3. Step 3: Cross multiply
    7,927.34x = 11,888.57 × 5,477.90
  4. Step 4: Simplify right side
    7,927.34x = 65,124,351.85
  5. Step 5: Solve for x
    x = 65,124,351.85/7,927.34
  6. Step 6: Final answer
    x = 8,215.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.