Home / 8,946.01-12,342.35-5,169.07

Finding the Fourth Proportional to 8,946.01, 12,342.35 and 5,169.07

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Solution

The fourth proportional to 8,946.01, 12,342.35 and 5,169.07 is: 7,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.01 : 12,342.35 = 5,169.07 : x
  2. Step 2: Convert to fraction form
    8,946.01/12,342.35 = 5,169.07/x
  3. Step 3: Cross multiply
    8,946.01x = 12,342.35 × 5,169.07
  4. Step 4: Simplify right side
    8,946.01x = 63,798,471.11
  5. Step 5: Solve for x
    x = 63,798,471.11/8,946.01
  6. Step 6: Final answer
    x = 7,131.50

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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.