Home / 9,209.02-12,708.47-5,017.30

Finding the Fourth Proportional to 9,209.02, 12,708.47 and 5,017.30

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Solution

The fourth proportional to 9,209.02, 12,708.47 and 5,017.30 is: 6,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.02 : 12,708.47 = 5,017.30 : x
  2. Step 2: Convert to fraction form
    9,209.02/12,708.47 = 5,017.30/x
  3. Step 3: Cross multiply
    9,209.02x = 12,708.47 × 5,017.30
  4. Step 4: Simplify right side
    9,209.02x = 63,762,206.53
  5. Step 5: Solve for x
    x = 63,762,206.53/9,209.02
  6. Step 6: Final answer
    x = 6,923.89

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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.