Home / 11,526.12-15,899.76-10,031.40

Finding the Fourth Proportional to 11,526.12, 15,899.76 and 10,031.40

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Solution

The fourth proportional to 11,526.12, 15,899.76 and 10,031.40 is: 13,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.12 : 15,899.76 = 10,031.40 : x
  2. Step 2: Convert to fraction form
    11,526.12/15,899.76 = 10,031.40/x
  3. Step 3: Cross multiply
    11,526.12x = 15,899.76 × 10,031.40
  4. Step 4: Simplify right side
    11,526.12x = 159,496,852.46
  5. Step 5: Solve for x
    x = 159,496,852.46/11,526.12
  6. Step 6: Final answer
    x = 13,837.86

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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.