Home / 10,449.04-14,419.08-5,732.40

Finding the Fourth Proportional to 10,449.04, 14,419.08 and 5,732.40

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Solution

The fourth proportional to 10,449.04, 14,419.08 and 5,732.40 is: 7,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.04 : 14,419.08 = 5,732.40 : x
  2. Step 2: Convert to fraction form
    10,449.04/14,419.08 = 5,732.40/x
  3. Step 3: Cross multiply
    10,449.04x = 14,419.08 × 5,732.40
  4. Step 4: Simplify right side
    10,449.04x = 82,655,934.19
  5. Step 5: Solve for x
    x = 82,655,934.19/10,449.04
  6. Step 6: Final answer
    x = 7,910.39

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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.