Home / 8,385.02-11,570.82-4,659.02

Finding the Fourth Proportional to 8,385.02, 11,570.82 and 4,659.02

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Solution

The fourth proportional to 8,385.02, 11,570.82 and 4,659.02 is: 6,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.02 : 11,570.82 = 4,659.02 : x
  2. Step 2: Convert to fraction form
    8,385.02/11,570.82 = 4,659.02/x
  3. Step 3: Cross multiply
    8,385.02x = 11,570.82 × 4,659.02
  4. Step 4: Simplify right side
    8,385.02x = 53,908,681.80
  5. Step 5: Solve for x
    x = 53,908,681.80/8,385.02
  6. Step 6: Final answer
    x = 6,429.17

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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.