Home / 7,151.09-9,870.66-4,633.34

Finding the Fourth Proportional to 7,151.09, 9,870.66 and 4,633.34

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Solution

The fourth proportional to 7,151.09, 9,870.66 and 4,633.34 is: 6,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.09 : 9,870.66 = 4,633.34 : x
  2. Step 2: Convert to fraction form
    7,151.09/9,870.66 = 4,633.34/x
  3. Step 3: Cross multiply
    7,151.09x = 9,870.66 × 4,633.34
  4. Step 4: Simplify right side
    7,151.09x = 45,734,074.45
  5. Step 5: Solve for x
    x = 45,734,074.45/7,151.09
  6. Step 6: Final answer
    x = 6,395.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.