Home / 10,462.36-14,430.06-7,107.76

Finding the Fourth Proportional to 10,462.36, 14,430.06 and 7,107.76

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Solution

The fourth proportional to 10,462.36, 14,430.06 and 7,107.76 is: 9,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,462.36 : 14,430.06 = 7,107.76 : x
  2. Step 2: Convert to fraction form
    10,462.36/14,430.06 = 7,107.76/x
  3. Step 3: Cross multiply
    10,462.36x = 14,430.06 × 7,107.76
  4. Step 4: Simplify right side
    10,462.36x = 102,565,403.27
  5. Step 5: Solve for x
    x = 102,565,403.27/10,462.36
  6. Step 6: Final answer
    x = 9,803.28

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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.