Home / 8,801.02-12,145.40-5,265.06

Finding the Fourth Proportional to 8,801.02, 12,145.40 and 5,265.06

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Solution

The fourth proportional to 8,801.02, 12,145.40 and 5,265.06 is: 7,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.02 : 12,145.40 = 5,265.06 : x
  2. Step 2: Convert to fraction form
    8,801.02/12,145.40 = 5,265.06/x
  3. Step 3: Cross multiply
    8,801.02x = 12,145.40 × 5,265.06
  4. Step 4: Simplify right side
    8,801.02x = 63,946,305.53
  5. Step 5: Solve for x
    x = 63,946,305.53/8,801.02
  6. Step 6: Final answer
    x = 7,265.79

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Double scale
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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.