Home / 10,315.13-14,235.19-5,599.71

Finding the Fourth Proportional to 10,315.13, 14,235.19 and 5,599.71

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Solution

The fourth proportional to 10,315.13, 14,235.19 and 5,599.71 is: 7,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.13 : 14,235.19 = 5,599.71 : x
  2. Step 2: Convert to fraction form
    10,315.13/14,235.19 = 5,599.71/x
  3. Step 3: Cross multiply
    10,315.13x = 14,235.19 × 5,599.71
  4. Step 4: Simplify right side
    10,315.13x = 79,712,921.80
  5. Step 5: Solve for x
    x = 79,712,921.80/10,315.13
  6. Step 6: Final answer
    x = 7,727.77

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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.