Home / 10,412.24-14,369.63-6,869.30

Finding the Fourth Proportional to 10,412.24, 14,369.63 and 6,869.30

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Solution

The fourth proportional to 10,412.24, 14,369.63 and 6,869.30 is: 9,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.24 : 14,369.63 = 6,869.30 : x
  2. Step 2: Convert to fraction form
    10,412.24/14,369.63 = 6,869.30/x
  3. Step 3: Cross multiply
    10,412.24x = 14,369.63 × 6,869.30
  4. Step 4: Simplify right side
    10,412.24x = 98,709,193.16
  5. Step 5: Solve for x
    x = 98,709,193.16/10,412.24
  6. Step 6: Final answer
    x = 9,480.12

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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.