Home / 10,434.51-14,399.99-5,718.79

Finding the Fourth Proportional to 10,434.51, 14,399.99 and 5,718.79

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Solution

The fourth proportional to 10,434.51, 14,399.99 and 5,718.79 is: 7,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.51 : 14,399.99 = 5,718.79 : x
  2. Step 2: Convert to fraction form
    10,434.51/14,399.99 = 5,718.79/x
  3. Step 3: Cross multiply
    10,434.51x = 14,399.99 × 5,718.79
  4. Step 4: Simplify right side
    10,434.51x = 82,350,518.81
  5. Step 5: Solve for x
    x = 82,350,518.81/10,434.51
  6. Step 6: Final answer
    x = 7,892.13

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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.