Home / 7,448.30-10,278.66-4,465.86

Finding the Fourth Proportional to 7,448.30, 10,278.66 and 4,465.86

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Solution

The fourth proportional to 7,448.30, 10,278.66 and 4,465.86 is: 6,162.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.30 : 10,278.66 = 4,465.86 : x
  2. Step 2: Convert to fraction form
    7,448.30/10,278.66 = 4,465.86/x
  3. Step 3: Cross multiply
    7,448.30x = 10,278.66 × 4,465.86
  4. Step 4: Simplify right side
    7,448.30x = 45,903,056.55
  5. Step 5: Solve for x
    x = 45,903,056.55/7,448.30
  6. Step 6: Final answer
    x = 6,162.89

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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.