Home / 7,643.93-11,436.91-4,525.61

Finding the Fourth Proportional to 7,643.93, 11,436.91 and 4,525.61

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Solution

The fourth proportional to 7,643.93, 11,436.91 and 4,525.61 is: 6,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.93 : 11,436.91 = 4,525.61 : x
  2. Step 2: Convert to fraction form
    7,643.93/11,436.91 = 4,525.61/x
  3. Step 3: Cross multiply
    7,643.93x = 11,436.91 × 4,525.61
  4. Step 4: Simplify right side
    7,643.93x = 51,758,925.77
  5. Step 5: Solve for x
    x = 51,758,925.77/7,643.93
  6. Step 6: Final answer
    x = 6,771.25

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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.