Home / 10,299.15-15,521.27-9,313.07

Finding the Fourth Proportional to 10,299.15, 15,521.27 and 9,313.07

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Solution

The fourth proportional to 10,299.15, 15,521.27 and 9,313.07 is: 14,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.15 : 15,521.27 = 9,313.07 : x
  2. Step 2: Convert to fraction form
    10,299.15/15,521.27 = 9,313.07/x
  3. Step 3: Cross multiply
    10,299.15x = 15,521.27 × 9,313.07
  4. Step 4: Simplify right side
    10,299.15x = 144,550,549.83
  5. Step 5: Solve for x
    x = 144,550,549.83/10,299.15
  6. Step 6: Final answer
    x = 14,035.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.