Home / 10,315.70-14,235.95-5,600.28

Finding the Fourth Proportional to 10,315.70, 14,235.95 and 5,600.28

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Solution

The fourth proportional to 10,315.70, 14,235.95 and 5,600.28 is: 7,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.70 : 14,235.95 = 5,600.28 : x
  2. Step 2: Convert to fraction form
    10,315.70/14,235.95 = 5,600.28/x
  3. Step 3: Cross multiply
    10,315.70x = 14,235.95 × 5,600.28
  4. Step 4: Simplify right side
    10,315.70x = 79,725,306.07
  5. Step 5: Solve for x
    x = 79,725,306.07/10,315.70
  6. Step 6: Final answer
    x = 7,728.54

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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.