Home / 10,276.16-14,160.17-7,090.43

Finding the Fourth Proportional to 10,276.16, 14,160.17 and 7,090.43

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Solution

The fourth proportional to 10,276.16, 14,160.17 and 7,090.43 is: 9,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.16 : 14,160.17 = 7,090.43 : x
  2. Step 2: Convert to fraction form
    10,276.16/14,160.17 = 7,090.43/x
  3. Step 3: Cross multiply
    10,276.16x = 14,160.17 × 7,090.43
  4. Step 4: Simplify right side
    10,276.16x = 100,401,587.92
  5. Step 5: Solve for x
    x = 100,401,587.92/10,276.16
  6. Step 6: Final answer
    x = 9,770.35

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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.