Home / 10,485.90-14,470.70-5,770.19

Finding the Fourth Proportional to 10,485.90, 14,470.70 and 5,770.19

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Solution

The fourth proportional to 10,485.90, 14,470.70 and 5,770.19 is: 7,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.90 : 14,470.70 = 5,770.19 : x
  2. Step 2: Convert to fraction form
    10,485.90/14,470.70 = 5,770.19/x
  3. Step 3: Cross multiply
    10,485.90x = 14,470.70 × 5,770.19
  4. Step 4: Simplify right side
    10,485.90x = 83,498,587.23
  5. Step 5: Solve for x
    x = 83,498,587.23/10,485.90
  6. Step 6: Final answer
    x = 7,962.94

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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.