Home / 10,345.28-14,275.68-5,868

Finding the Fourth Proportional to 10,345.28, 14,275.68 and 5,868

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Solution

The fourth proportional to 10,345.28, 14,275.68 and 5,868 is: 8,097.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.28 : 14,275.68 = 5,868 : x
  2. Step 2: Convert to fraction form
    10,345.28/14,275.68 = 5,868/x
  3. Step 3: Cross multiply
    10,345.28x = 14,275.68 × 5,868
  4. Step 4: Simplify right side
    10,345.28x = 83,769,690.24
  5. Step 5: Solve for x
    x = 83,769,690.24/10,345.28
  6. Step 6: Final answer
    x = 8,097.38

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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.