Home / 10,749.88-14,854.08-10,312.48

Finding the Fourth Proportional to 10,749.88, 14,854.08 and 10,312.48

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Solution

The fourth proportional to 10,749.88, 14,854.08 and 10,312.48 is: 14,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.88 : 14,854.08 = 10,312.48 : x
  2. Step 2: Convert to fraction form
    10,749.88/14,854.08 = 10,312.48/x
  3. Step 3: Cross multiply
    10,749.88x = 14,854.08 × 10,312.48
  4. Step 4: Simplify right side
    10,749.88x = 153,182,402.92
  5. Step 5: Solve for x
    x = 153,182,402.92/10,749.88
  6. Step 6: Final answer
    x = 14,249.68

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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.