Home / 7,113.06-10,676.05-3,605.51

Finding the Fourth Proportional to 7,113.06, 10,676.05 and 3,605.51

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Solution

The fourth proportional to 7,113.06, 10,676.05 and 3,605.51 is: 5,411.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.06 : 10,676.05 = 3,605.51 : x
  2. Step 2: Convert to fraction form
    7,113.06/10,676.05 = 3,605.51/x
  3. Step 3: Cross multiply
    7,113.06x = 10,676.05 × 3,605.51
  4. Step 4: Simplify right side
    7,113.06x = 38,492,533.63
  5. Step 5: Solve for x
    x = 38,492,533.63/7,113.06
  6. Step 6: Final answer
    x = 5,411.53

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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.