Home / 10,711.76-14,771.04-10,470.32

Finding the Fourth Proportional to 10,711.76, 14,771.04 and 10,470.32

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Solution

The fourth proportional to 10,711.76, 14,771.04 and 10,470.32 is: 14,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.76 : 14,771.04 = 10,470.32 : x
  2. Step 2: Convert to fraction form
    10,711.76/14,771.04 = 10,470.32/x
  3. Step 3: Cross multiply
    10,711.76x = 14,771.04 × 10,470.32
  4. Step 4: Simplify right side
    10,711.76x = 154,657,515.53
  5. Step 5: Solve for x
    x = 154,657,515.53/10,711.76
  6. Step 6: Final answer
    x = 14,438.10

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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.