Home / 9,265.02-12,784.53-5,285.89

Finding the Fourth Proportional to 9,265.02, 12,784.53 and 5,285.89

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Solution

The fourth proportional to 9,265.02, 12,784.53 and 5,285.89 is: 7,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.02 : 12,784.53 = 5,285.89 : x
  2. Step 2: Convert to fraction form
    9,265.02/12,784.53 = 5,285.89/x
  3. Step 3: Cross multiply
    9,265.02x = 12,784.53 × 5,285.89
  4. Step 4: Simplify right side
    9,265.02x = 67,577,619.28
  5. Step 5: Solve for x
    x = 67,577,619.28/9,265.02
  6. Step 6: Final answer
    x = 7,293.84

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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.