Home / 10,361.48-14,298.80-5,645.74

Finding the Fourth Proportional to 10,361.48, 14,298.80 and 5,645.74

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Solution

The fourth proportional to 10,361.48, 14,298.80 and 5,645.74 is: 7,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.48 : 14,298.80 = 5,645.74 : x
  2. Step 2: Convert to fraction form
    10,361.48/14,298.80 = 5,645.74/x
  3. Step 3: Cross multiply
    10,361.48x = 14,298.80 × 5,645.74
  4. Step 4: Simplify right side
    10,361.48x = 80,727,307.11
  5. Step 5: Solve for x
    x = 80,727,307.11/10,361.48
  6. Step 6: Final answer
    x = 7,791.10

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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.