Home / 10,434.48-15,643.08-5,246.16

Finding the Fourth Proportional to 10,434.48, 15,643.08 and 5,246.16

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Solution

The fourth proportional to 10,434.48, 15,643.08 and 5,246.16 is: 7,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.48 : 15,643.08 = 5,246.16 : x
  2. Step 2: Convert to fraction form
    10,434.48/15,643.08 = 5,246.16/x
  3. Step 3: Cross multiply
    10,434.48x = 15,643.08 × 5,246.16
  4. Step 4: Simplify right side
    10,434.48x = 82,066,100.57
  5. Step 5: Solve for x
    x = 82,066,100.57/10,434.48
  6. Step 6: Final answer
    x = 7,864.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.