Home / 10,315.28-14,235.11-5,599.56

Finding the Fourth Proportional to 10,315.28, 14,235.11 and 5,599.56

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Solution

The fourth proportional to 10,315.28, 14,235.11 and 5,599.56 is: 7,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.28 : 14,235.11 = 5,599.56 : x
  2. Step 2: Convert to fraction form
    10,315.28/14,235.11 = 5,599.56/x
  3. Step 3: Cross multiply
    10,315.28x = 14,235.11 × 5,599.56
  4. Step 4: Simplify right side
    10,315.28x = 79,710,352.55
  5. Step 5: Solve for x
    x = 79,710,352.55/10,315.28
  6. Step 6: Final answer
    x = 7,727.41

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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.