Home / 7,403.76-10,208.52-6,146.28

Finding the Fourth Proportional to 7,403.76, 10,208.52 and 6,146.28

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Solution

The fourth proportional to 7,403.76, 10,208.52 and 6,146.28 is: 8,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.76 : 10,208.52 = 6,146.28 : x
  2. Step 2: Convert to fraction form
    7,403.76/10,208.52 = 6,146.28/x
  3. Step 3: Cross multiply
    7,403.76x = 10,208.52 × 6,146.28
  4. Step 4: Simplify right side
    7,403.76x = 62,744,422.31
  5. Step 5: Solve for x
    x = 62,744,422.31/7,403.76
  6. Step 6: Final answer
    x = 8,474.67

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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.