Home / 10,316.50-14,236.79-5,600.79

Finding the Fourth Proportional to 10,316.50, 14,236.79 and 5,600.79

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Solution

The fourth proportional to 10,316.50, 14,236.79 and 5,600.79 is: 7,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.50 : 14,236.79 = 5,600.79 : x
  2. Step 2: Convert to fraction form
    10,316.50/14,236.79 = 5,600.79/x
  3. Step 3: Cross multiply
    10,316.50x = 14,236.79 × 5,600.79
  4. Step 4: Simplify right side
    10,316.50x = 79,737,271.06
  5. Step 5: Solve for x
    x = 79,737,271.06/10,316.50
  6. Step 6: Final answer
    x = 7,729.10

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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.