Home / 10,417.68-14,361.44-7,428.34

Finding the Fourth Proportional to 10,417.68, 14,361.44 and 7,428.34

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Solution

The fourth proportional to 10,417.68, 14,361.44 and 7,428.34 is: 10,240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.68 : 14,361.44 = 7,428.34 : x
  2. Step 2: Convert to fraction form
    10,417.68/14,361.44 = 7,428.34/x
  3. Step 3: Cross multiply
    10,417.68x = 14,361.44 × 7,428.34
  4. Step 4: Simplify right side
    10,417.68x = 106,681,659.21
  5. Step 5: Solve for x
    x = 106,681,659.21/10,417.68
  6. Step 6: Final answer
    x = 10,240.44

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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.