Home / 7,555.36-10,400.52-6,554.74

Finding the Fourth Proportional to 7,555.36, 10,400.52 and 6,554.74

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Solution

The fourth proportional to 7,555.36, 10,400.52 and 6,554.74 is: 9,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.36 : 10,400.52 = 6,554.74 : x
  2. Step 2: Convert to fraction form
    7,555.36/10,400.52 = 6,554.74/x
  3. Step 3: Cross multiply
    7,555.36x = 10,400.52 × 6,554.74
  4. Step 4: Simplify right side
    7,555.36x = 68,172,704.46
  5. Step 5: Solve for x
    x = 68,172,704.46/7,555.36
  6. Step 6: Final answer
    x = 9,023.09

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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.