Home / 10,307.01-15,448.55-4,748.69

Finding the Fourth Proportional to 10,307.01, 15,448.55 and 4,748.69

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Solution

The fourth proportional to 10,307.01, 15,448.55 and 4,748.69 is: 7,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.01 : 15,448.55 = 4,748.69 : x
  2. Step 2: Convert to fraction form
    10,307.01/15,448.55 = 4,748.69/x
  3. Step 3: Cross multiply
    10,307.01x = 15,448.55 × 4,748.69
  4. Step 4: Simplify right side
    10,307.01x = 73,360,273.91
  5. Step 5: Solve for x
    x = 73,360,273.91/10,307.01
  6. Step 6: Final answer
    x = 7,117.51

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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.