Home / 8,784.95-12,122.93-5,246.06

Finding the Fourth Proportional to 8,784.95, 12,122.93 and 5,246.06

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Solution

The fourth proportional to 8,784.95, 12,122.93 and 5,246.06 is: 7,239.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.95 : 12,122.93 = 5,246.06 : x
  2. Step 2: Convert to fraction form
    8,784.95/12,122.93 = 5,246.06/x
  3. Step 3: Cross multiply
    8,784.95x = 12,122.93 × 5,246.06
  4. Step 4: Simplify right side
    8,784.95x = 63,597,570.66
  5. Step 5: Solve for x
    x = 63,597,570.66/8,784.95
  6. Step 6: Final answer
    x = 7,239.38

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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.