Home / 10,632.53-15,948.80-4,782.30

Finding the Fourth Proportional to 10,632.53, 15,948.80 and 4,782.30

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Solution

The fourth proportional to 10,632.53, 15,948.80 and 4,782.30 is: 7,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.53 : 15,948.80 = 4,782.30 : x
  2. Step 2: Convert to fraction form
    10,632.53/15,948.80 = 4,782.30/x
  3. Step 3: Cross multiply
    10,632.53x = 15,948.80 × 4,782.30
  4. Step 4: Simplify right side
    10,632.53x = 76,271,922.33
  5. Step 5: Solve for x
    x = 76,271,922.33/10,632.53
  6. Step 6: Final answer
    x = 7,173.45

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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.