Home / 10,631.71-14,675.19-9,510.67

Finding the Fourth Proportional to 10,631.71, 14,675.19 and 9,510.67

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Solution

The fourth proportional to 10,631.71, 14,675.19 and 9,510.67 is: 13,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.71 : 14,675.19 = 9,510.67 : x
  2. Step 2: Convert to fraction form
    10,631.71/14,675.19 = 9,510.67/x
  3. Step 3: Cross multiply
    10,631.71x = 14,675.19 × 9,510.67
  4. Step 4: Simplify right side
    10,631.71x = 139,570,815.90
  5. Step 5: Solve for x
    x = 139,570,815.90/10,631.71
  6. Step 6: Final answer
    x = 13,127.79

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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.