Home / 7,784.14-10,726.76-5,539.74

Finding the Fourth Proportional to 7,784.14, 10,726.76 and 5,539.74

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Solution

The fourth proportional to 7,784.14, 10,726.76 and 5,539.74 is: 7,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.14 : 10,726.76 = 5,539.74 : x
  2. Step 2: Convert to fraction form
    7,784.14/10,726.76 = 5,539.74/x
  3. Step 3: Cross multiply
    7,784.14x = 10,726.76 × 5,539.74
  4. Step 4: Simplify right side
    7,784.14x = 59,423,461.44
  5. Step 5: Solve for x
    x = 59,423,461.44/7,784.14
  6. Step 6: Final answer
    x = 7,633.91

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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.