Home / 10,117.08-15,176.43-3,880.08

Finding the Fourth Proportional to 10,117.08, 15,176.43 and 3,880.08

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Solution

The fourth proportional to 10,117.08, 15,176.43 and 3,880.08 is: 5,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.08 : 15,176.43 = 3,880.08 : x
  2. Step 2: Convert to fraction form
    10,117.08/15,176.43 = 3,880.08/x
  3. Step 3: Cross multiply
    10,117.08x = 15,176.43 × 3,880.08
  4. Step 4: Simplify right side
    10,117.08x = 58,885,762.51
  5. Step 5: Solve for x
    x = 58,885,762.51/10,117.08
  6. Step 6: Final answer
    x = 5,820.43

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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.