Home / 10,315.54-14,235.51-5,599.81

Finding the Fourth Proportional to 10,315.54, 14,235.51 and 5,599.81

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Solution

The fourth proportional to 10,315.54, 14,235.51 and 5,599.81 is: 7,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.54 : 14,235.51 = 5,599.81 : x
  2. Step 2: Convert to fraction form
    10,315.54/14,235.51 = 5,599.81/x
  3. Step 3: Cross multiply
    10,315.54x = 14,235.51 × 5,599.81
  4. Step 4: Simplify right side
    10,315.54x = 79,716,151.25
  5. Step 5: Solve for x
    x = 79,716,151.25/10,315.54
  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.