Home / 12,275.02-18,417.08-7,348.11

Finding the Fourth Proportional to 12,275.02, 18,417.08 and 7,348.11

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Solution

The fourth proportional to 12,275.02, 18,417.08 and 7,348.11 is: 11,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.02 : 18,417.08 = 7,348.11 : x
  2. Step 2: Convert to fraction form
    12,275.02/18,417.08 = 7,348.11/x
  3. Step 3: Cross multiply
    12,275.02x = 18,417.08 × 7,348.11
  4. Step 4: Simplify right side
    12,275.02x = 135,330,729.72
  5. Step 5: Solve for x
    x = 135,330,729.72/12,275.02
  6. Step 6: Final answer
    x = 11,024.89

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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.