Home / 8,730.90-12,048.96-4,751.82

Finding the Fourth Proportional to 8,730.90, 12,048.96 and 4,751.82

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Solution

The fourth proportional to 8,730.90, 12,048.96 and 4,751.82 is: 6,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.90 : 12,048.96 = 4,751.82 : x
  2. Step 2: Convert to fraction form
    8,730.90/12,048.96 = 4,751.82/x
  3. Step 3: Cross multiply
    8,730.90x = 12,048.96 × 4,751.82
  4. Step 4: Simplify right side
    8,730.90x = 57,254,489.11
  5. Step 5: Solve for x
    x = 57,254,489.11/8,730.90
  6. Step 6: Final answer
    x = 6,557.68

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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.