Home / 10,289.93-14,200.11-5,574.23

Finding the Fourth Proportional to 10,289.93, 14,200.11 and 5,574.23

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Solution

The fourth proportional to 10,289.93, 14,200.11 and 5,574.23 is: 7,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.93 : 14,200.11 = 5,574.23 : x
  2. Step 2: Convert to fraction form
    10,289.93/14,200.11 = 5,574.23/x
  3. Step 3: Cross multiply
    10,289.93x = 14,200.11 × 5,574.23
  4. Step 4: Simplify right side
    10,289.93x = 79,154,679.17
  5. Step 5: Solve for x
    x = 79,154,679.17/10,289.93
  6. Step 6: Final answer
    x = 7,692.44

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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.