Home / 10,307.04-15,439.80-4,752.72

Finding the Fourth Proportional to 10,307.04, 15,439.80 and 4,752.72

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Solution

The fourth proportional to 10,307.04, 15,439.80 and 4,752.72 is: 7,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.04 : 15,439.80 = 4,752.72 : x
  2. Step 2: Convert to fraction form
    10,307.04/15,439.80 = 4,752.72/x
  3. Step 3: Cross multiply
    10,307.04x = 15,439.80 × 4,752.72
  4. Step 4: Simplify right side
    10,307.04x = 73,381,046.26
  5. Step 5: Solve for x
    x = 73,381,046.26/10,307.04
  6. Step 6: Final answer
    x = 7,119.51

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1.5x scale

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.