Home / 7,538.24-10,402.02-4,308.09

Finding the Fourth Proportional to 7,538.24, 10,402.02 and 4,308.09

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Solution

The fourth proportional to 7,538.24, 10,402.02 and 4,308.09 is: 5,944.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.24 : 10,402.02 = 4,308.09 : x
  2. Step 2: Convert to fraction form
    7,538.24/10,402.02 = 4,308.09/x
  3. Step 3: Cross multiply
    7,538.24x = 10,402.02 × 4,308.09
  4. Step 4: Simplify right side
    7,538.24x = 44,812,838.34
  5. Step 5: Solve for x
    x = 44,812,838.34/7,538.24
  6. Step 6: Final answer
    x = 5,944.74

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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.