Home / 8,315.92-11,475.68-4,957.00

Finding the Fourth Proportional to 8,315.92, 11,475.68 and 4,957.00

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Solution

The fourth proportional to 8,315.92, 11,475.68 and 4,957.00 is: 6,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.92 : 11,475.68 = 4,957.00 : x
  2. Step 2: Convert to fraction form
    8,315.92/11,475.68 = 4,957.00/x
  3. Step 3: Cross multiply
    8,315.92x = 11,475.68 × 4,957.00
  4. Step 4: Simplify right side
    8,315.92x = 56,884,941.69
  5. Step 5: Solve for x
    x = 56,884,941.69/8,315.92
  6. Step 6: Final answer
    x = 6,840.49

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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.