Home / 8,265.02-11,402.43-5,280.08

Finding the Fourth Proportional to 8,265.02, 11,402.43 and 5,280.08

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Solution

The fourth proportional to 8,265.02, 11,402.43 and 5,280.08 is: 7,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.02 : 11,402.43 = 5,280.08 : x
  2. Step 2: Convert to fraction form
    8,265.02/11,402.43 = 5,280.08/x
  3. Step 3: Cross multiply
    8,265.02x = 11,402.43 × 5,280.08
  4. Step 4: Simplify right side
    8,265.02x = 60,205,742.59
  5. Step 5: Solve for x
    x = 60,205,742.59/8,265.02
  6. Step 6: Final answer
    x = 7,284.40

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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.