Home / 12,095.10-18,145.35-9,470.70

Finding the Fourth Proportional to 12,095.10, 18,145.35 and 9,470.70

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Solution

The fourth proportional to 12,095.10, 18,145.35 and 9,470.70 is: 14,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.10 : 18,145.35 = 9,470.70 : x
  2. Step 2: Convert to fraction form
    12,095.10/18,145.35 = 9,470.70/x
  3. Step 3: Cross multiply
    12,095.10x = 18,145.35 × 9,470.70
  4. Step 4: Simplify right side
    12,095.10x = 171,849,166.25
  5. Step 5: Solve for x
    x = 171,849,166.25/12,095.10
  6. Step 6: Final answer
    x = 14,208.16

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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.