Home / 8,485.16-11,710.18-4,709.52

Finding the Fourth Proportional to 8,485.16, 11,710.18 and 4,709.52

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Solution

The fourth proportional to 8,485.16, 11,710.18 and 4,709.52 is: 6,499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.16 : 11,710.18 = 4,709.52 : x
  2. Step 2: Convert to fraction form
    8,485.16/11,710.18 = 4,709.52/x
  3. Step 3: Cross multiply
    8,485.16x = 11,710.18 × 4,709.52
  4. Step 4: Simplify right side
    8,485.16x = 55,149,326.91
  5. Step 5: Solve for x
    x = 55,149,326.91/8,485.16
  6. Step 6: Final answer
    x = 6,499.50

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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.