Home / 10,148.18-14,008.80-6,170.57

Finding the Fourth Proportional to 10,148.18, 14,008.80 and 6,170.57

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Solution

The fourth proportional to 10,148.18, 14,008.80 and 6,170.57 is: 8,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.18 : 14,008.80 = 6,170.57 : x
  2. Step 2: Convert to fraction form
    10,148.18/14,008.80 = 6,170.57/x
  3. Step 3: Cross multiply
    10,148.18x = 14,008.80 × 6,170.57
  4. Step 4: Simplify right side
    10,148.18x = 86,442,210.97
  5. Step 5: Solve for x
    x = 86,442,210.97/10,148.18
  6. Step 6: Final answer
    x = 8,518.01

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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.