Home / 7,312.13-10,088.11-4,166.50

Finding the Fourth Proportional to 7,312.13, 10,088.11 and 4,166.50

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Solution

The fourth proportional to 7,312.13, 10,088.11 and 4,166.50 is: 5,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.13 : 10,088.11 = 4,166.50 : x
  2. Step 2: Convert to fraction form
    7,312.13/10,088.11 = 4,166.50/x
  3. Step 3: Cross multiply
    7,312.13x = 10,088.11 × 4,166.50
  4. Step 4: Simplify right side
    7,312.13x = 42,032,110.32
  5. Step 5: Solve for x
    x = 42,032,110.32/7,312.13
  6. Step 6: Final answer
    x = 5,748.27

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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.