Home / 7,666.07-10,578.87-4,686.89

Finding the Fourth Proportional to 7,666.07, 10,578.87 and 4,686.89

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Solution

The fourth proportional to 7,666.07, 10,578.87 and 4,686.89 is: 6,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.07 : 10,578.87 = 4,686.89 : x
  2. Step 2: Convert to fraction form
    7,666.07/10,578.87 = 4,686.89/x
  3. Step 3: Cross multiply
    7,666.07x = 10,578.87 × 4,686.89
  4. Step 4: Simplify right side
    7,666.07x = 49,581,947.12
  5. Step 5: Solve for x
    x = 49,581,947.12/7,666.07
  6. Step 6: Final answer
    x = 6,467.72

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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.