Home / 10,809.04-14,916.54-6,831.94

Finding the Fourth Proportional to 10,809.04, 14,916.54 and 6,831.94

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Solution

The fourth proportional to 10,809.04, 14,916.54 and 6,831.94 is: 9,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.04 : 14,916.54 = 6,831.94 : x
  2. Step 2: Convert to fraction form
    10,809.04/14,916.54 = 6,831.94/x
  3. Step 3: Cross multiply
    10,809.04x = 14,916.54 × 6,831.94
  4. Step 4: Simplify right side
    10,809.04x = 101,908,906.29
  5. Step 5: Solve for x
    x = 101,908,906.29/10,809.04
  6. Step 6: Final answer
    x = 9,428.12

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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.