Home / 7,041.53-10,551.81-6,419.16

Finding the Fourth Proportional to 7,041.53, 10,551.81 and 6,419.16

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Solution

The fourth proportional to 7,041.53, 10,551.81 and 6,419.16 is: 9,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.53 : 10,551.81 = 6,419.16 : x
  2. Step 2: Convert to fraction form
    7,041.53/10,551.81 = 6,419.16/x
  3. Step 3: Cross multiply
    7,041.53x = 10,551.81 × 6,419.16
  4. Step 4: Simplify right side
    7,041.53x = 67,733,756.68
  5. Step 5: Solve for x
    x = 67,733,756.68/7,041.53
  6. Step 6: Final answer
    x = 9,619.18

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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.