Home / 9,030.24-13,545.02-3,186.72

Finding the Fourth Proportional to 9,030.24, 13,545.02 and 3,186.72

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Solution

The fourth proportional to 9,030.24, 13,545.02 and 3,186.72 is: 4,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.24 : 13,545.02 = 3,186.72 : x
  2. Step 2: Convert to fraction form
    9,030.24/13,545.02 = 3,186.72/x
  3. Step 3: Cross multiply
    9,030.24x = 13,545.02 × 3,186.72
  4. Step 4: Simplify right side
    9,030.24x = 43,164,186.13
  5. Step 5: Solve for x
    x = 43,164,186.13/9,030.24
  6. Step 6: Final answer
    x = 4,779.96

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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.