Home / 10,154.12-15,240.41-7,054.05

Finding the Fourth Proportional to 10,154.12, 15,240.41 and 7,054.05

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Solution

The fourth proportional to 10,154.12, 15,240.41 and 7,054.05 is: 10,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.12 : 15,240.41 = 7,054.05 : x
  2. Step 2: Convert to fraction form
    10,154.12/15,240.41 = 7,054.05/x
  3. Step 3: Cross multiply
    10,154.12x = 15,240.41 × 7,054.05
  4. Step 4: Simplify right side
    10,154.12x = 107,506,614.16
  5. Step 5: Solve for x
    x = 107,506,614.16/10,154.12
  6. Step 6: Final answer
    x = 10,587.49

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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.