Home / 10,408.79-14,363.85-5,693.07

Finding the Fourth Proportional to 10,408.79, 14,363.85 and 5,693.07

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Solution

The fourth proportional to 10,408.79, 14,363.85 and 5,693.07 is: 7,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.79 : 14,363.85 = 5,693.07 : x
  2. Step 2: Convert to fraction form
    10,408.79/14,363.85 = 5,693.07/x
  3. Step 3: Cross multiply
    10,408.79x = 14,363.85 × 5,693.07
  4. Step 4: Simplify right side
    10,408.79x = 81,774,446.71
  5. Step 5: Solve for x
    x = 81,774,446.71/10,408.79
  6. Step 6: Final answer
    x = 7,856.29

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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.