Home / 7,500.21-10,346.80-4,848.46

Finding the Fourth Proportional to 7,500.21, 10,346.80 and 4,848.46

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Solution

The fourth proportional to 7,500.21, 10,346.80 and 4,848.46 is: 6,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.21 : 10,346.80 = 4,848.46 : x
  2. Step 2: Convert to fraction form
    7,500.21/10,346.80 = 4,848.46/x
  3. Step 3: Cross multiply
    7,500.21x = 10,346.80 × 4,848.46
  4. Step 4: Simplify right side
    7,500.21x = 50,166,045.93
  5. Step 5: Solve for x
    x = 50,166,045.93/7,500.21
  6. Step 6: Final answer
    x = 6,688.62

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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.