Home / 9,106.08-12,564.64-5,566.78

Finding the Fourth Proportional to 9,106.08, 12,564.64 and 5,566.78

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Solution

The fourth proportional to 9,106.08, 12,564.64 and 5,566.78 is: 7,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.08 : 12,564.64 = 5,566.78 : x
  2. Step 2: Convert to fraction form
    9,106.08/12,564.64 = 5,566.78/x
  3. Step 3: Cross multiply
    9,106.08x = 12,564.64 × 5,566.78
  4. Step 4: Simplify right side
    9,106.08x = 69,944,578.01
  5. Step 5: Solve for x
    x = 69,944,578.01/9,106.08
  6. Step 6: Final answer
    x = 7,681.09

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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.