Home / 10,011.40-13,813.68-6,031.60

Finding the Fourth Proportional to 10,011.40, 13,813.68 and 6,031.60

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Solution

The fourth proportional to 10,011.40, 13,813.68 and 6,031.60 is: 8,322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.40 : 13,813.68 = 6,031.60 : x
  2. Step 2: Convert to fraction form
    10,011.40/13,813.68 = 6,031.60/x
  3. Step 3: Cross multiply
    10,011.40x = 13,813.68 × 6,031.60
  4. Step 4: Simplify right side
    10,011.40x = 83,318,592.29
  5. Step 5: Solve for x
    x = 83,318,592.29/10,011.40
  6. Step 6: Final answer
    x = 8,322.37

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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.