Home / 8,653.38-11,942.55-5,298.41

Finding the Fourth Proportional to 8,653.38, 11,942.55 and 5,298.41

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Solution

The fourth proportional to 8,653.38, 11,942.55 and 5,298.41 is: 7,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.38 : 11,942.55 = 5,298.41 : x
  2. Step 2: Convert to fraction form
    8,653.38/11,942.55 = 5,298.41/x
  3. Step 3: Cross multiply
    8,653.38x = 11,942.55 × 5,298.41
  4. Step 4: Simplify right side
    8,653.38x = 63,276,526.35
  5. Step 5: Solve for x
    x = 63,276,526.35/8,653.38
  6. Step 6: Final answer
    x = 7,312.35

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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.