Home / 10,406.19-14,360.58-5,690.46

Finding the Fourth Proportional to 10,406.19, 14,360.58 and 5,690.46

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Solution

The fourth proportional to 10,406.19, 14,360.58 and 5,690.46 is: 7,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.19 : 14,360.58 = 5,690.46 : x
  2. Step 2: Convert to fraction form
    10,406.19/14,360.58 = 5,690.46/x
  3. Step 3: Cross multiply
    10,406.19x = 14,360.58 × 5,690.46
  4. Step 4: Simplify right side
    10,406.19x = 81,718,306.07
  5. Step 5: Solve for x
    x = 81,718,306.07/10,406.19
  6. Step 6: Final answer
    x = 7,852.86

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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.