Home / 10,275.16-14,183.22-7,914.28

Finding the Fourth Proportional to 10,275.16, 14,183.22 and 7,914.28

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Solution

The fourth proportional to 10,275.16, 14,183.22 and 7,914.28 is: 10,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.16 : 14,183.22 = 7,914.28 : x
  2. Step 2: Convert to fraction form
    10,275.16/14,183.22 = 7,914.28/x
  3. Step 3: Cross multiply
    10,275.16x = 14,183.22 × 7,914.28
  4. Step 4: Simplify right side
    10,275.16x = 112,249,974.38
  5. Step 5: Solve for x
    x = 112,249,974.38/10,275.16
  6. Step 6: Final answer
    x = 10,924.40

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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.