Home / 8,820.15-12,171.95-4,841.63

Finding the Fourth Proportional to 8,820.15, 12,171.95 and 4,841.63

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Solution

The fourth proportional to 8,820.15, 12,171.95 and 4,841.63 is: 6,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.15 : 12,171.95 = 4,841.63 : x
  2. Step 2: Convert to fraction form
    8,820.15/12,171.95 = 4,841.63/x
  3. Step 3: Cross multiply
    8,820.15x = 12,171.95 × 4,841.63
  4. Step 4: Simplify right side
    8,820.15x = 58,931,993.21
  5. Step 5: Solve for x
    x = 58,931,993.21/8,820.15
  6. Step 6: Final answer
    x = 6,681.52

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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.