Home / 10,090.04-15,113.18-4,885

Finding the Fourth Proportional to 10,090.04, 15,113.18 and 4,885

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Solution

The fourth proportional to 10,090.04, 15,113.18 and 4,885 is: 7,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.04 : 15,113.18 = 4,885 : x
  2. Step 2: Convert to fraction form
    10,090.04/15,113.18 = 4,885/x
  3. Step 3: Cross multiply
    10,090.04x = 15,113.18 × 4,885
  4. Step 4: Simplify right side
    10,090.04x = 73,827,884.30
  5. Step 5: Solve for x
    x = 73,827,884.30/10,090.04
  6. Step 6: Final answer
    x = 7,316.91

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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.