Home / 7,975.02-11,002.59-4,830.06

Finding the Fourth Proportional to 7,975.02, 11,002.59 and 4,830.06

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Solution

The fourth proportional to 7,975.02, 11,002.59 and 4,830.06 is: 6,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.02 : 11,002.59 = 4,830.06 : x
  2. Step 2: Convert to fraction form
    7,975.02/11,002.59 = 4,830.06/x
  3. Step 3: Cross multiply
    7,975.02x = 11,002.59 × 4,830.06
  4. Step 4: Simplify right side
    7,975.02x = 53,143,169.86
  5. Step 5: Solve for x
    x = 53,143,169.86/7,975.02
  6. Step 6: Final answer
    x = 6,663.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.