Home / 7,765.08-10,718.10-4,623.36

Finding the Fourth Proportional to 7,765.08, 10,718.10 and 4,623.36

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Solution

The fourth proportional to 7,765.08, 10,718.10 and 4,623.36 is: 6,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.08 : 10,718.10 = 4,623.36 : x
  2. Step 2: Convert to fraction form
    7,765.08/10,718.10 = 4,623.36/x
  3. Step 3: Cross multiply
    7,765.08x = 10,718.10 × 4,623.36
  4. Step 4: Simplify right side
    7,765.08x = 49,553,634.82
  5. Step 5: Solve for x
    x = 49,553,634.82/7,765.08
  6. Step 6: Final answer
    x = 6,381.60

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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.