Home / 10,585.16-15,831.10-9,423.40

Finding the Fourth Proportional to 10,585.16, 15,831.10 and 9,423.40

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Solution

The fourth proportional to 10,585.16, 15,831.10 and 9,423.40 is: 14,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,585.16 : 15,831.10 = 9,423.40 : x
  2. Step 2: Convert to fraction form
    10,585.16/15,831.10 = 9,423.40/x
  3. Step 3: Cross multiply
    10,585.16x = 15,831.10 × 9,423.40
  4. Step 4: Simplify right side
    10,585.16x = 149,182,787.74
  5. Step 5: Solve for x
    x = 149,182,787.74/10,585.16
  6. Step 6: Final answer
    x = 14,093.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.