Home / 10,407.06-14,363.46-9,774.45

Finding the Fourth Proportional to 10,407.06, 14,363.46 and 9,774.45

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Solution

The fourth proportional to 10,407.06, 14,363.46 and 9,774.45 is: 13,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.06 : 14,363.46 = 9,774.45 : x
  2. Step 2: Convert to fraction form
    10,407.06/14,363.46 = 9,774.45/x
  3. Step 3: Cross multiply
    10,407.06x = 14,363.46 × 9,774.45
  4. Step 4: Simplify right side
    10,407.06x = 140,394,921.60
  5. Step 5: Solve for x
    x = 140,394,921.60/10,407.06
  6. Step 6: Final answer
    x = 13,490.35

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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.