Home / 7,117.48-10,676.22-3,417.40

Finding the Fourth Proportional to 7,117.48, 10,676.22 and 3,417.40

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Solution

The fourth proportional to 7,117.48, 10,676.22 and 3,417.40 is: 5,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.48 : 10,676.22 = 3,417.40 : x
  2. Step 2: Convert to fraction form
    7,117.48/10,676.22 = 3,417.40/x
  3. Step 3: Cross multiply
    7,117.48x = 10,676.22 × 3,417.40
  4. Step 4: Simplify right side
    7,117.48x = 36,484,914.23
  5. Step 5: Solve for x
    x = 36,484,914.23/7,117.48
  6. Step 6: Final answer
    x = 5,126.10

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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.