Home / 7,485.24-10,334.49-4,655.71

Finding the Fourth Proportional to 7,485.24, 10,334.49 and 4,655.71

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Solution

The fourth proportional to 7,485.24, 10,334.49 and 4,655.71 is: 6,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.24 : 10,334.49 = 4,655.71 : x
  2. Step 2: Convert to fraction form
    7,485.24/10,334.49 = 4,655.71/x
  3. Step 3: Cross multiply
    7,485.24x = 10,334.49 × 4,655.71
  4. Step 4: Simplify right side
    7,485.24x = 48,114,383.90
  5. Step 5: Solve for x
    x = 48,114,383.90/7,485.24
  6. Step 6: Final answer
    x = 6,427.90

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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.