Home / 10,924.60-15,075.96-6,448.36

Finding the Fourth Proportional to 10,924.60, 15,075.96 and 6,448.36

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Solution

The fourth proportional to 10,924.60, 15,075.96 and 6,448.36 is: 8,898.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,924.60 : 15,075.96 = 6,448.36 : x
  2. Step 2: Convert to fraction form
    10,924.60/15,075.96 = 6,448.36/x
  3. Step 3: Cross multiply
    10,924.60x = 15,075.96 × 6,448.36
  4. Step 4: Simplify right side
    10,924.60x = 97,215,217.43
  5. Step 5: Solve for x
    x = 97,215,217.43/10,924.60
  6. Step 6: Final answer
    x = 8,898.74

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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.