Home / 7,904.48-11,829.28-4,782.60

Finding the Fourth Proportional to 7,904.48, 11,829.28 and 4,782.60

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Solution

The fourth proportional to 7,904.48, 11,829.28 and 4,782.60 is: 7,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.48 : 11,829.28 = 4,782.60 : x
  2. Step 2: Convert to fraction form
    7,904.48/11,829.28 = 4,782.60/x
  3. Step 3: Cross multiply
    7,904.48x = 11,829.28 × 4,782.60
  4. Step 4: Simplify right side
    7,904.48x = 56,574,714.53
  5. Step 5: Solve for x
    x = 56,574,714.53/7,904.48
  6. Step 6: Final answer
    x = 7,157.30

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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.