Home / 10,295.75-15,460.70-6,424.76

Finding the Fourth Proportional to 10,295.75, 15,460.70 and 6,424.76

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Solution

The fourth proportional to 10,295.75, 15,460.70 and 6,424.76 is: 9,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.75 : 15,460.70 = 6,424.76 : x
  2. Step 2: Convert to fraction form
    10,295.75/15,460.70 = 6,424.76/x
  3. Step 3: Cross multiply
    10,295.75x = 15,460.70 × 6,424.76
  4. Step 4: Simplify right side
    10,295.75x = 99,331,225.69
  5. Step 5: Solve for x
    x = 99,331,225.69/10,295.75
  6. Step 6: Final answer
    x = 9,647.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.