Home / 10,530.40-15,798.50-4,606.21

Finding the Fourth Proportional to 10,530.40, 15,798.50 and 4,606.21

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Solution

The fourth proportional to 10,530.40, 15,798.50 and 4,606.21 is: 6,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.40 : 15,798.50 = 4,606.21 : x
  2. Step 2: Convert to fraction form
    10,530.40/15,798.50 = 4,606.21/x
  3. Step 3: Cross multiply
    10,530.40x = 15,798.50 × 4,606.21
  4. Step 4: Simplify right side
    10,530.40x = 72,771,180.70
  5. Step 5: Solve for x
    x = 72,771,180.70/10,530.40
  6. Step 6: Final answer
    x = 6,910.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.