Home / 7,154.16-9,871.38-4,500.06

Finding the Fourth Proportional to 7,154.16, 9,871.38 and 4,500.06

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Solution

The fourth proportional to 7,154.16, 9,871.38 and 4,500.06 is: 6,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.16 : 9,871.38 = 4,500.06 : x
  2. Step 2: Convert to fraction form
    7,154.16/9,871.38 = 4,500.06/x
  3. Step 3: Cross multiply
    7,154.16x = 9,871.38 × 4,500.06
  4. Step 4: Simplify right side
    7,154.16x = 44,421,802.28
  5. Step 5: Solve for x
    x = 44,421,802.28/7,154.16
  6. Step 6: Final answer
    x = 6,209.23

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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.