Home / 10,532.40-14,529.48-6,991.08

Finding the Fourth Proportional to 10,532.40, 14,529.48 and 6,991.08

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Solution

The fourth proportional to 10,532.40, 14,529.48 and 6,991.08 is: 9,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532.40 : 14,529.48 = 6,991.08 : x
  2. Step 2: Convert to fraction form
    10,532.40/14,529.48 = 6,991.08/x
  3. Step 3: Cross multiply
    10,532.40x = 14,529.48 × 6,991.08
  4. Step 4: Simplify right side
    10,532.40x = 101,576,757.04
  5. Step 5: Solve for x
    x = 101,576,757.04/10,532.40
  6. Step 6: Final answer
    x = 9,644.22

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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.