Home / 7,829.04-11,733.12-4,130.40

Finding the Fourth Proportional to 7,829.04, 11,733.12 and 4,130.40

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Solution

The fourth proportional to 7,829.04, 11,733.12 and 4,130.40 is: 6,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.04 : 11,733.12 = 4,130.40 : x
  2. Step 2: Convert to fraction form
    7,829.04/11,733.12 = 4,130.40/x
  3. Step 3: Cross multiply
    7,829.04x = 11,733.12 × 4,130.40
  4. Step 4: Simplify right side
    7,829.04x = 48,462,478.85
  5. Step 5: Solve for x
    x = 48,462,478.85/7,829.04
  6. Step 6: Final answer
    x = 6,190.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.