Home / 10,117.16-15,178.68-4,192.96

Finding the Fourth Proportional to 10,117.16, 15,178.68 and 4,192.96

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Solution

The fourth proportional to 10,117.16, 15,178.68 and 4,192.96 is: 6,290.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.16 : 15,178.68 = 4,192.96 : x
  2. Step 2: Convert to fraction form
    10,117.16/15,178.68 = 4,192.96/x
  3. Step 3: Cross multiply
    10,117.16x = 15,178.68 × 4,192.96
  4. Step 4: Simplify right side
    10,117.16x = 63,643,598.09
  5. Step 5: Solve for x
    x = 63,643,598.09/10,117.16
  6. Step 6: Final answer
    x = 6,290.66

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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.