Home / 10,440.60-15,665.40-6,061.80

Finding the Fourth Proportional to 10,440.60, 15,665.40 and 6,061.80

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Solution

The fourth proportional to 10,440.60, 15,665.40 and 6,061.80 is: 9,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.60 : 15,665.40 = 6,061.80 : x
  2. Step 2: Convert to fraction form
    10,440.60/15,665.40 = 6,061.80/x
  3. Step 3: Cross multiply
    10,440.60x = 15,665.40 × 6,061.80
  4. Step 4: Simplify right side
    10,440.60x = 94,960,521.72
  5. Step 5: Solve for x
    x = 94,960,521.72/10,440.60
  6. Step 6: Final answer
    x = 9,095.31

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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.