Home / 7,346.64-10,140.50-4,476.40

Finding the Fourth Proportional to 7,346.64, 10,140.50 and 4,476.40

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Solution

The fourth proportional to 7,346.64, 10,140.50 and 4,476.40 is: 6,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.64 : 10,140.50 = 4,476.40 : x
  2. Step 2: Convert to fraction form
    7,346.64/10,140.50 = 4,476.40/x
  3. Step 3: Cross multiply
    7,346.64x = 10,140.50 × 4,476.40
  4. Step 4: Simplify right side
    7,346.64x = 45,392,934.20
  5. Step 5: Solve for x
    x = 45,392,934.20/7,346.64
  6. Step 6: Final answer
    x = 6,178.73

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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.