Home / 10,080.04-15,120.06-4,156.84

Finding the Fourth Proportional to 10,080.04, 15,120.06 and 4,156.84

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Solution

The fourth proportional to 10,080.04, 15,120.06 and 4,156.84 is: 6,235.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.04 : 15,120.06 = 4,156.84 : x
  2. Step 2: Convert to fraction form
    10,080.04/15,120.06 = 4,156.84/x
  3. Step 3: Cross multiply
    10,080.04x = 15,120.06 × 4,156.84
  4. Step 4: Simplify right side
    10,080.04x = 62,851,670.21
  5. Step 5: Solve for x
    x = 62,851,670.21/10,080.04
  6. Step 6: Final answer
    x = 6,235.26

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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.