Home / 7,353.12-10,147.50-4,210.32

Finding the Fourth Proportional to 7,353.12, 10,147.50 and 4,210.32

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Solution

The fourth proportional to 7,353.12, 10,147.50 and 4,210.32 is: 5,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.12 : 10,147.50 = 4,210.32 : x
  2. Step 2: Convert to fraction form
    7,353.12/10,147.50 = 4,210.32/x
  3. Step 3: Cross multiply
    7,353.12x = 10,147.50 × 4,210.32
  4. Step 4: Simplify right side
    7,353.12x = 42,724,222.20
  5. Step 5: Solve for x
    x = 42,724,222.20/7,353.12
  6. Step 6: Final answer
    x = 5,810.35

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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.