Home / 7,113.87-10,668.07-3,417.84

Finding the Fourth Proportional to 7,113.87, 10,668.07 and 3,417.84

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Solution

The fourth proportional to 7,113.87, 10,668.07 and 3,417.84 is: 5,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.87 : 10,668.07 = 3,417.84 : x
  2. Step 2: Convert to fraction form
    7,113.87/10,668.07 = 3,417.84/x
  3. Step 3: Cross multiply
    7,113.87x = 10,668.07 × 3,417.84
  4. Step 4: Simplify right side
    7,113.87x = 36,461,756.37
  5. Step 5: Solve for x
    x = 36,461,756.37/7,113.87
  6. Step 6: Final answer
    x = 5,125.45

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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.