Home / 7,177.02-9,909.45-4,792.65

Finding the Fourth Proportional to 7,177.02, 9,909.45 and 4,792.65

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Solution

The fourth proportional to 7,177.02, 9,909.45 and 4,792.65 is: 6,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.02 : 9,909.45 = 4,792.65 : x
  2. Step 2: Convert to fraction form
    7,177.02/9,909.45 = 4,792.65/x
  3. Step 3: Cross multiply
    7,177.02x = 9,909.45 × 4,792.65
  4. Step 4: Simplify right side
    7,177.02x = 47,492,525.54
  5. Step 5: Solve for x
    x = 47,492,525.54/7,177.02
  6. Step 6: Final answer
    x = 6,617.30

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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.