Home / 7,126.04-9,835.62-4,331

Finding the Fourth Proportional to 7,126.04, 9,835.62 and 4,331

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Solution

The fourth proportional to 7,126.04, 9,835.62 and 4,331 is: 5,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.04 : 9,835.62 = 4,331 : x
  2. Step 2: Convert to fraction form
    7,126.04/9,835.62 = 4,331/x
  3. Step 3: Cross multiply
    7,126.04x = 9,835.62 × 4,331
  4. Step 4: Simplify right side
    7,126.04x = 42,598,070.22
  5. Step 5: Solve for x
    x = 42,598,070.22/7,126.04
  6. Step 6: Final answer
    x = 5,977.80

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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.