Home / 10,434.48-14,399.08-5,718.64

Finding the Fourth Proportional to 10,434.48, 14,399.08 and 5,718.64

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Solution

The fourth proportional to 10,434.48, 14,399.08 and 5,718.64 is: 7,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.48 : 14,399.08 = 5,718.64 : x
  2. Step 2: Convert to fraction form
    10,434.48/14,399.08 = 5,718.64/x
  3. Step 3: Cross multiply
    10,434.48x = 14,399.08 × 5,718.64
  4. Step 4: Simplify right side
    10,434.48x = 82,343,154.85
  5. Step 5: Solve for x
    x = 82,343,154.85/10,434.48
  6. Step 6: Final answer
    x = 7,891.45

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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.