Home / 10,953.20-16,454.10-10,510.40

Finding the Fourth Proportional to 10,953.20, 16,454.10 and 10,510.40

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Solution

The fourth proportional to 10,953.20, 16,454.10 and 10,510.40 is: 15,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.20 : 16,454.10 = 10,510.40 : x
  2. Step 2: Convert to fraction form
    10,953.20/16,454.10 = 10,510.40/x
  3. Step 3: Cross multiply
    10,953.20x = 16,454.10 × 10,510.40
  4. Step 4: Simplify right side
    10,953.20x = 172,939,172.64
  5. Step 5: Solve for x
    x = 172,939,172.64/10,953.20
  6. Step 6: Final answer
    x = 15,788.92

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1.5x scale

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.