Home / 7,920.14-10,926.36-4,774.50

Finding the Fourth Proportional to 7,920.14, 10,926.36 and 4,774.50

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Solution

The fourth proportional to 7,920.14, 10,926.36 and 4,774.50 is: 6,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.14 : 10,926.36 = 4,774.50 : x
  2. Step 2: Convert to fraction form
    7,920.14/10,926.36 = 4,774.50/x
  3. Step 3: Cross multiply
    7,920.14x = 10,926.36 × 4,774.50
  4. Step 4: Simplify right side
    7,920.14x = 52,167,905.82
  5. Step 5: Solve for x
    x = 52,167,905.82/7,920.14
  6. Step 6: Final answer
    x = 6,586.74

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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.